Leaf vegetables, also called leafy greens, pot herbs, vegetable greens, or simply greens, are plant
leaves
A leaf (plural, : leaves) is any of the principal appendages of a vascular plant plant stem, stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", wh ...
eaten as a
vegetable
Vegetables are parts of plants that are consumed by humans or other animals as food. The original meaning is still commonly used and is applied to plants collectively to refer to all edible plant matter, including the flowers, fruits, stems, ...
, sometimes accompanied by tender
petioles and
shoot
In botany, a plant shoot consists of any plant stem together with its appendages, leaves and lateral buds, flowering stems, and flower buds. The new growth from seed germination that grows upward is a shoot where leaves will develop. In the spri ...
s. Leaf vegetables eaten raw in a salad can be called salad greens.
Nearly one thousand species of
plants with edible leaves are known. Leaf vegetables most often come from short-lived
herbaceous plant
Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials.
Definitions of "herb" and "herbaceous"
The fourth edition of t ...
s, such as
lettuce
Lettuce (''Lactuca sativa'') is an annual plant of the family Asteraceae. It is most often grown as a leaf vegetable, but sometimes for its stem and seeds. Lettuce is most often used for salads, although it is also seen in other kinds of food, ...
and
spinach
Spinach (''Spinacia oleracea'') is a leafy green flowering plant native to central and western Asia. It is of the order Caryophyllales, family Amaranthaceae, subfamily Chenopodioideae. Its leaves are a common edible vegetable consumed either f ...
. Woody plants of various species also provide edible leaves.
The leaves of many
fodder
Fodder (), also called provender (), is any agriculture, agricultural foodstuff used specifically to feed domesticated livestock, such as cattle, domestic rabbit, rabbits, sheep, horses, chickens and pigs. "Fodder" refers particularly to food g ...
crops are also edible for humans, but are usually only eaten under
famine
A famine is a widespread scarcity of food, caused by several factors including war, natural disasters, crop failure, Demographic trap, population imbalance, widespread poverty, an Financial crisis, economic catastrophe or government policies. Th ...
conditions. Examples include
alfalfa
Alfalfa () (''Medicago sativa''), also called lucerne, is a perennial flowering plant in the legume family Fabaceae. It is cultivated as an important forage crop in many countries around the world. It is used for grazing, hay, and silage, as w ...
,
clover
Clover or trefoil are common names for plants of the genus ''Trifolium'' (from Latin ''tres'' 'three' + ''folium'' 'leaf'), consisting of about 300 species of flowering plants in the legume or pea family Fabaceae originating in Europe. The genus ...
, most
grasses
Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns and ...
, including
wheat
Wheat is a grass widely cultivated for its seed, a cereal grain that is a worldwide staple food. The many species of wheat together make up the genus ''Triticum'' ; the most widely grown is common wheat (''T. aestivum''). The archaeologi ...
and
barley
Barley (''Hordeum vulgare''), a member of the grass family, is a major cereal grain grown in temperate climates globally. It was one of the first cultivated grains, particularly in Eurasia as early as 10,000 years ago. Globally 70% of barley pr ...
.
Food processing
Food processing is the transformation of agricultural products into food, or of one form of food into other forms. Food processing includes many forms of processing foods, from grinding grain to make raw flour to home cooking to complex industr ...
, such as drying and grinding into powder or pulping and pressing for juice, may be used to involve these crop leaves in a diet.
Leaf vegetables contain many typical plant nutrients, but since they are photosynthetic tissues, their
vitamin K
Vitamin K refers to structurally similar, fat-soluble vitamers found in foods and marketed as dietary supplements. The human body requires vitamin K for post-synthesis modification of certain proteins that are required for blood coagulation ...
levels are particularly notable.
Phylloquinone
Phytomenadione, also known as vitamin K1 or phylloquinone, is a vitamin found in food and used as a dietary supplement. It is on the World Health Organization's List of Essential Medicines.
As a supplement it is used to treat certain bleedin ...
, the most common form of the vitamin, is directly involved in
photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities. Some of this chemical energy is stored i ...
.
Nutrition
Spinach, as an example of a leaf vegetable, is low in
calories
The calorie is a unit of energy. For historical reasons, two main definitions of "calorie" are in wide use. The large calorie, food calorie, or kilogram calorie was originally defined as the amount of heat needed to raise the temperature of on ...
and
fat
In nutrition science, nutrition, biology, and chemistry, fat usually means any ester of fatty acids, or a mixture of such chemical compound, compounds, most commonly those that occur in living beings or in food.
The term often refers spec ...
per calorie, and high in
dietary fiber
Dietary fiber (in British English fibre) or roughage is the portion of plant-derived food that cannot be completely broken down by human digestive enzymes. Dietary fibers are diverse in chemical composition, and can be grouped generally by the ...
,
vitamin C
Vitamin C (also known as ascorbic acid and ascorbate) is a water-soluble vitamin found in citrus and other fruits and vegetables, also sold as a dietary supplement and as a topical 'serum' ingredient to treat melasma (dark pigment spots) an ...
, pro-
vitamin A
Vitamin A is a fat-soluble vitamin and an essential nutrient for humans. It is a group of organic compounds that includes retinol, retinal (also known as retinaldehyde), retinoic acid, and several provitamin A carotenoids (most notably bet ...
carotenoids
Carotenoids (), also called tetraterpenoids, are yellow, orange, and red organic pigments that are produced by plants and algae, as well as several bacteria, and fungi. Carotenoids give the characteristic color to pumpkins, carrots, parsnips, ...
,
folate
Folate, also known as vitamin B9 and folacin, is one of the B vitamins. Manufactured folic acid, which is converted into folate by the body, is used as a dietary supplement and in food fortification as it is more stable during processing and ...
,
manganese
Manganese is a chemical element with the symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese is a transition metal with a multifaceted array of industrial alloy use ...
and
vitamin K
Vitamin K refers to structurally similar, fat-soluble vitamers found in foods and marketed as dietary supplements. The human body requires vitamin K for post-synthesis modification of certain proteins that are required for blood coagulation ...
.
The vitamin K content of leaf vegetables is particularly high, since these are photosynthetic tissues and
phylloquinone
Phytomenadione, also known as vitamin K1 or phylloquinone, is a vitamin found in food and used as a dietary supplement. It is on the World Health Organization's List of Essential Medicines.
As a supplement it is used to treat certain bleedin ...
is involved in
photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities. Some of this chemical energy is stored i ...
. Accordingly, users of
vitamin K antagonist
Vitamin K antagonists (VKA) are a group of substances that reduce blood clotting by reducing the action of vitamin K. The term "vitamin K antagonist" is technically a misnomer, as the drugs do not directly antagonise the action of vitamin K in t ...
medications, such as
warfarin
Warfarin, sold under the brand name Coumadin among others, is a medication that is used as an anticoagulant (blood thinner). It is commonly used to prevent blood clots such as deep vein thrombosis and pulmonary embolism, and to prevent strok ...
, must take special care to limit consumption of leaf vegetables.
Preparation
If leaves are cooked for food, they may be referred to as boiled greens. Leaf vegetables may be
stir-fried
Stir frying () is a cooking technique in which ingredients are fried in a small amount of very hot oil while being stirred or tossed in a wok. The technique originated in China and in recent centuries has spread into other parts of Asia and t ...
,
stew
A stew is a combination of solid food ingredients that have been cooked in liquid and served in the resultant gravy. A stew needs to have raw ingredients added to the gravy. Ingredients in a stew can include any combination of vegetables and ...
ed,
steamed
Steaming is a method of cooking using steam. This is often done with a food steamer, a kitchen appliance made specifically to cook food with steam, but food can also be steamed in a wok. In the American southwest, steam pits used for cooking have ...
, or consumed raw. Leaf vegetables stewed with
pork
Pork is the culinary name for the meat of the domestic pig (''Sus domesticus''). It is the most commonly consumed meat worldwide, with evidence of pig husbandry dating back to 5000 BCE.
Pork is eaten both freshly cooked and preserved; ...
is a traditional dish in
soul food
Soul food is an ethnic cuisine traditionally prepared and eaten by African Americans, originating in the Southern United States.Soul Food originated with the foods that were given to enslaved Black people by their white owners on Souther ...
and
Southern U.S. cuisine. They are also commonly eaten in a variety of South Asian dishes such as
saag
Saag (), also spelled sag or saga, is an Indian leaf vegetable dish eaten with bread such as roti or naan, or in some regions with rice. Saag can be made from spinach, mustard greens, collard greens, basella, finely chopped broccoli or other ...
. Leafy greens can be used to wrap other ingredients into an edible package in a manner similar to a
tortilla
A tortilla (, ) is a thin, circular unleavened flatbread originally made from maize hominy meal, and now also from wheat flour. The Aztecs and other Nahuatl speakers called tortillas ''tlaxcalli'' (). First made by the indigenous peoples of Me ...
. Many green leafy vegetables, such as lettuce or spinach, can also be eaten raw, for example in
sandwich
A sandwich is a food typically consisting of vegetables, sliced cheese or meat, placed on or between slices of bread, or more generally any dish wherein bread serves as a container or wrapper for another food type. The sandwich began as a po ...
es or
salad
A salad is a dish consisting of mixed, mostly natural ingredients with at least one raw ingredient. They are typically served at room temperature or chilled, though some can be served warm. Condiments and salad dressings, which exist in a va ...
s. A
green smoothie
A smoothie is a beverage made by puréeing ingredients in a blender. A smoothie commonly has a liquid base, such as fruit juice or milk, yogurt, ice cream or cottage cheese. Other ingredients may be added, including fruits, vegetables, non-dai ...
enables large quantities of raw leafy greens to be consumed by blending the leaves with fruit and water.
Africa
In certain countries of Africa, various species of nutritious
amaranth
''Amaranthus'' is a cosmopolitan genus of annual or short-lived perennial plants collectively known as amaranths. Some amaranth species are cultivated as leaf vegetables, pseudocereals, and ornamental plants. Catkin-like cymes of densely pack ...
are very widely eaten boiled.
''
Celosia argentea
''Celosia argentea'', commonly known as the plumed cockscomb or silver cock's comb, is a herbaceous plant of tropical origin in the Amaranthaceae family from India and Nepal. The plant is known for its very bright colors. In India and China it is ...
'' var. ''argentea'' or "Lagos spinach" is one of the main boiled greens in
West African cuisine
West African cuisine encompasses a diverse range of foods that are split between its 16 countries. In West Africa, many families grow and raise their own food, and within each there is a division of labor. Indigenous foods consist of a number of ...
.
Greece
In
Greek cuisine
Greek cuisine (Greek: Ελληνική Κουζίνα) is the cuisine of Greece and the Greek diaspora. In common with many other cuisines of the Mediterranean, it is founded on the triad of wheat, olive oil, and wine. It uses vegetables, oli ...
, ''khorta'' (χόρτα, literally 'greens') are a common side dish, eaten hot or cold and usually seasoned with
olive oil
Olive oil is a liquid fat obtained from olives (the fruit of ''Olea europaea''; family Oleaceae), a traditional tree crop of the Mediterranean Basin, produced by pressing whole olives and extracting the oil. It is commonly used in cooking: f ...
and
lemon
The lemon (''Citrus limon'') is a species of small evergreen trees in the flowering plant family Rutaceae, native to Asia, primarily Northeast India (Assam), Northern Myanmar or China.
The tree's ellipsoidal yellow fruit is used for culin ...
.
At least 80 different kinds of greens are used, depending on the area and season, including
black mustard
''Brassica nigra'', or black mustard, is an annual plant cultivated for its dark-brown-to-black seeds, which are commonly used as a spice. It is native to tropical regions of North Africa, temperate regions of Europe, and parts of Asia.
Descrip ...
,
dandelion
''Taraxacum'' () is a large genus of flowering plants in the family Asteraceae, which consists of species commonly known as dandelions. The scientific and hobby study of the genus is known as taraxacology. The genus is native to Eurasia and Nor ...
,
wild sorrel,
chicory
Common chicory ('' Cichorium intybus'') is a somewhat woody, perennial herbaceous plant of the family Asteraceae, usually with bright blue flowers, rarely white or pink. Native to the Old World, it has been introduced to North America and Austra ...
,
fennel
Fennel (''Foeniculum vulgare'') is a flowering plant species in the carrot family. It is a hardy, perennial herb with yellow flowers and feathery leaves. It is indigenous to the shores of the Mediterranean but has become widely naturalized ...
,
chard
Chard or Swiss chard (; ''Beta vulgaris'' subsp. ''vulgaris'', Cicla Group and Flavescens Group) is a green leafy vegetable. In the cultivars of the Flavescens Group, the leaf stalks are large and often prepared separately from the leaf blade; ...
,
kale
Kale (), or leaf cabbage, belongs to a group of cabbage (''Brassica oleracea'') cultivars grown for their edible leaves, although some are used as ornamentals. Kale plants have green or purple leaves, and the central leaves do not form a head ...
,
mallow,
black nightshade Black nightshade is a common name for several plants and may refer to:
* '' Solanum americanum'' (American black nightshade) of much of North America
* ''Solanum nigrum'' (European black nightshade) of Europe
* '' Solanum ptychanthum'' (Eastern bla ...
,
lamb's quarters
Lamb's quarter, lambsquarters, and similar terms refer to any of various edible species of herbaceous plants otherwise known by the common names goosefoot or pigweed.
There are numerous variations, with or without hyphens and apostrophes, using o ...
,
wild leeks,
hoary mustard,
charlock,
smooth sow thistle and even the fresh leaves of the
caper
''Capparis spinosa'', the caper bush, also called Flinders rose, is a perennial plant that bears rounded, fleshy leaves and large white to pinkish-white flowers.
The plant is best known for the edible flower buds (capers), used as a seasoning ...
plant.
Italy
''Preboggion'', a mixture of different wild boiled greens, is used in
Ligurian cuisine
Ligurian cuisine consists of dishes from the culinary tradition of Liguria, a region of northwestern Italy, which makes use of ingredients linked both to local production (such as preboggion, a mixture of wild herbs), an ...
to stuff
ravioli
Ravioli (; singular: ''raviolo'', ) are a type of pasta comprising a filling enveloped in thin pasta dough. Usually served in broth or with a sauce, they originated as a traditional food in Italian cuisine. Ravioli are commonly square, though o ...
and
pansoti
Ravioli (; singular: ''raviolo'', ) are a type of pasta comprising a filling enveloped in thin pasta dough. Usually served in broth or with a sauce, they originated as a traditional food in Italian cuisine. Ravioli are commonly square, though o ...
. One of the main ingredients of ''preboggion'' are
borage
Borage ( or ; ''Borago officinalis''), also known as starflower, is an annual herb in the flowering plant family Boraginaceae. It is native to the Mediterranean region, and has naturalized in many other locales.
It grows satisfactorily in gard ...
''(Borago officinalis)'' leaves.
''Preboggion'' is also sometimes added to
minestrone
Minestrone (; ) is a thick soup of Italian origin made with vegetables, often with the addition of pasta or rice, sometimes both. Common ingredients include beans, onions, celery, carrots, leaf vegetables, stock, parmesan cheese and tomatoes ...
soup and
frittata
Frittata is an egg-based Italian dish similar to an omelette or crustless quiche or scrambled eggs, enriched with additional ingredients such as meats, cheeses, or vegetables. The word ''frittata'' is Italian and roughly translates to "fried".
H ...
.
Poland
Botwinka (or boćwinka) is a soup that features beet stems and leaves as one of its main ingredients. The word "botwinka" is the diminutive form of "botwina" which refers to leafy vegetables like chard and beet leaves.
United States
In the
cuisine of the Southern United States
The cuisine of the Southern United States encompasses diverse food traditions of several regions, including Tidewater, Appalachian, Lowcountry, Cajun, Creole, and Floribbean cuisine. In recent history, elements of Southern cuisine have sprea ...
and
traditional African-American cuisine,
turnip
The turnip or white turnip (''Brassica rapa'' subsp. ''rapa'') is a root vegetable commonly grown in temperate climates worldwide for its white, fleshy taproot. The word ''turnip'' is a compound of ''turn'' as in turned/rounded on a lathe and ' ...
,
collard,
kale
Kale (), or leaf cabbage, belongs to a group of cabbage (''Brassica oleracea'') cultivars grown for their edible leaves, although some are used as ornamentals. Kale plants have green or purple leaves, and the central leaves do not form a head ...
,
garden cress
Cress (''Lepidium sativum''), sometimes referred to as garden cress (or curly cress) to distinguish it from Cress (disambiguation), similar plants also referred to as cress (from old Germanic ''cresso'' which means sharp, spicy), is a rather fas ...
,
dandelion
''Taraxacum'' () is a large genus of flowering plants in the family Asteraceae, which consists of species commonly known as dandelions. The scientific and hobby study of the genus is known as taraxacology. The genus is native to Eurasia and Nor ...
,
mustard
Mustard may refer to:
Food and plants
* Mustard (condiment), a paste or sauce made from mustard seeds used as a condiment
* Mustard plant, one of several plants, having seeds that are used for the condiment
** Mustard seed, seeds of the mustard p ...
, and
pokeweed
''Phytolacca americana'', also known as American pokeweed, pokeweed, poke sallet, dragonberries, and inkberry, is a poisonous, herbaceous perennial plant in the pokeweed family Phytolaccaceae. This pokeweed grows . It has simple leaves on green ...
greens are commonly cooked, and often served with pieces of
ham
Ham is pork from a leg cut of pork, cut that has been food preservation, preserved by wet or dry Curing (food preservation), curing, with or without smoking (cooking), smoking."Bacon: Bacon and Ham Curing" in ''Chambers's Encyclopædia''. Lo ...
or
bacon
Bacon is a type of salt-cured pork made from various cuts, typically the belly or less fatty parts of the back. It is eaten as a side dish (particularly in breakfasts), used as a central ingredient (e.g., the bacon, lettuce, and tomato sand ...
. The boiling water, called
potlikker, is used as
broth
Broth, also known as bouillon (), is a savory liquid made of water in which meat, fish or vegetables have been simmered for a short period of time. It can be eaten alone, but it is most commonly used to prepare other dishes, such as soups, ...
. Water in which pokeweed has been prepared contains toxins removed by the boiling, and should be discarded.
Sauteed escarole is a primary ingredient in the
Italian-American
Italian Americans ( it, italoamericani or ''italo-americani'', ) are Americans who have full or partial Italian ancestry. The largest concentrations of Italian Americans are in the urban Northeast and industrial Midwestern metropolitan areas, w ...
dish
Utica greens
Utica greens is an Italian American dish made of escarole sauteed with garlic and olive oil. Most recipes include hot cherry peppers, pecorino cheese, bread crumbs, prosciutto or another cured meat, and sometimes chicken broth.
In the 1980 ...
.
List of leaf vegetables
* ''
Agastache foeniculum
''Agastache foeniculum'' (blue giant hyssop; syn. ''Agastache anethiodora'' (Nutt.) Britton), commonly called anise hyssop, blue giant hyssop, Fragrant giant hyssop, or the lavender giant hyssop, is a species of perennial plant in the mint fam ...
'' — anise hyssop (western
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
)
* ''
Allium fistulosum
''Allium fistulosum'', the Welsh onion, also commonly called bunching onion, long green onion, Japanese bunching onion, and spring onion, is a species of perennial plant, often considered to be a kind of scallion.
The species is very similar ...
'' — Welsh onion (
East Asia
East Asia is the eastern region of Asia, which is defined in both geographical and ethno-cultural terms. The modern states of East Asia include China, Japan, Mongolia, North Korea, South Korea, and Taiwan. China, North Korea, South Korea and ...
)
* ''
Alternanthera sissoo'' — sissoo spinach (
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
)
* ''
Basella alba
''Basella alba'' is an edible perennial vine in the family Basellaceae. It is found in tropical Asia and Africa where it is widely used as a leaf vegetable. It is native to the Indian subcontinent, Southeast Asia and New Guinea. It is naturali ...
'' — Malabar spinach(
India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
,
Southeast Asia
Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...
,
New Guinea
New Guinea (; Hiri Motu
Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea).
It is a simplified version of ...
)
* ''
Beta vulgaris
''Beta vulgaris'' (beet) is a species of flowering plant in the subfamily Betoideae of the family Amaranthaceae. Economically, it is the most important crop of the large order Caryophyllales. It has several cultivar groups: the sugar beet, of gre ...
'' — beets, including beet greens,
Swiss chard
Chard or Swiss chard (; ''Beta vulgaris'' subsp. ''vulgaris'', Cicla Group and Flavescens Group) is a green leafy vegetable. In the cultivars of the Flavescens Group, the leaf stalks are large and often prepared separately from the leaf blade; ...
* ''
Brassica oleracea
''Brassica oleracea'' is a plant species from family Brassicaceae that includes many common cultivars used as vegetables, such as cabbage, broccoli, cauliflower, kale, Brussels sprouts, collard greens, Savoy cabbage, kohlrabi, and gai lan.
Its ...
'' — wild cabbage, including
cabbage
Cabbage, comprising several cultivars of ''Brassica oleracea'', is a leafy green, red (purple), or white (pale green) biennial plant grown as an annual vegetable crop for its dense-leaved heads. It is descended from the wild cabbage ( ''B.&nb ...
,
gai lan
Gai lan, kai-lan, Chinese broccoli, Chinese kale, or jie lan (''Brassica oleracea'' var. ''alboglabra'') is a leaf vegetable with thick, flat, glossy blue-green leaves with thick stems, and florets similar to (but much smaller than) broccoli. ...
,
Jersey cabbage
The Jersey cabbage (''Brassica oleracea longata'') is a variety of cabbage native to the Channel Islands that grows to a great height and was formerly commonly used there as livestock fodder and for making walking sticks. It is also known as J ...
,
kale
Kale (), or leaf cabbage, belongs to a group of cabbage (''Brassica oleracea'') cultivars grown for their edible leaves, although some are used as ornamentals. Kale plants have green or purple leaves, and the central leaves do not form a head ...
,
red cabbage
The red cabbage (purple-leaved varieties of ''Brassica oleracea'' Capitata Group) is a kind of cabbage, also known as Blaukraut after preparation. Its leaves are colored dark red/purple. However, the plant changes its color according to the pH ...
,
savoy cabbage
Savoy cabbage (''Brassica oleracea'' var. ''sabauda'' L. or ''Brassica oleracea'' Savoy Cabbage Group) is a variety of the plant species ''Brassica oleracea''. Savoy cabbage is a winter vegetable and one of several cabbage varieties. It is named ...
,
collard greens
Collard is a group of certain loose-leafed cultivars of ''Brassica oleracea'', the same species as many common vegetables including cabbage ( Capitata group) and broccoli ( Italica group). Collard is a member of the Viridis group of ''Brassica ...
,
mustard greens
''Brassica juncea'', commonly brown mustard, Chinese mustard, Indian mustard, leaf mustard, Oriental mustard and vegetable mustard, is a species of mustard plant.
Cultivar
''Brassica juncea'' cultivars can be divided into four major subgroups ...
,
kohlrabi
Kohlrabi (pronounced ; scientific name ''Brassica oleracea'' Gongylodes Group (horticulture), Group), also called German turnip or turnip cabbage, is a Biennial plant, biennial vegetable, a low, stout cultivar of wild cabbage. It is a cultivar o ...
and more
* ''
Brassica rapa
''Brassica rapa'' is a plant species growing in various widely cultivated forms including the turnip (a root vegetable); napa cabbage, bomdong, bok choy, and rapini.
''Brassica rapa'' subsp. ''oleifera'' is an oilseed which has many common n ...
'' — field mustard, including
napa cabbage
Napa cabbage (''Brassica rapa'' subsp. ''pekinensis'' or ''Brassica rapa'' Pekinensis Group) is a type of Chinese cabbage originating near the Beijing region of China that is widely used in Asian cuisine#East Asia, East Asian cuisine. Since the ...
,
bok choy
Bok choy (American English, Canadian English, and Australian English), pak choi (British English) or pok choi (''Brassica rapa'' subsp. ''chinensis'') is a type of Chinese cabbage, used as food. ''Chinensis'' varieties do not form heads and have ...
,
bomdong
Bomdong () also known as spring cabbage is a hardy cabbage with tough, sweet leaves. The leaves of bomdong, unlike those of regular napa cabbages, fall to the sides, giving the plant a flat shape. This cabbage is primarily used in the making of ...
,
choy sum
Choy sum (also spelled choi sum, choi sam in Cantonese; cai xin, caixin in Standard Mandarin) is a leafy vegetable commonly used in Chinese cuisine. It is a member of the genus ''Brassica'' of the mustard family, Brassicaceae (''Brassica rapa ...
,
komatsuna
or Japanese mustard spinach (''Brassica rapa'' var. ''perviridis'') is a leaf vegetable. It is a variety (botany), variety of ''Brassica rapa'', the plant species that yields the turnip, mizuna, napa cabbage, and rapini. It is grown commercial ...
,
rapini
Rapini or broccoli rabe () is a green cruciferous vegetable, with the leaves, buds, and stems all being edible; the buds somewhat resemble broccoli, but do not form a large head. Rapini is known for its bitter taste, and is particularly associ ...
,
tatsoi
''Tatsoi'' (''Brassica rapa subsp. narinosa'' or ''Brassica rapa var. rosularis'') is an Asian variety of ''Brassica rapa'' grown for greens. Also called tat choy, it is closely related to the more familiar Bok Choy. This plant has become popu ...
, and more
* ''
Campanula versicolor'' — various-colored bellflower (southeastern
Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
to the
Balkans
The Balkans ( ), also known as the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throughout the who ...
)
* ''
Chenopodium quinoa
Quinoa (''Chenopodium quinoa''; , from Quechua ' or ') is a flowering plant in the amaranth family. It is a herbaceous annual plant grown as a crop primarily for its edible seeds; the seeds are rich in protein, dietary fiber, B vitamins, and ...
'' — quinoa (western
Andes
The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S ...
of
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...
)
* ''
Cichorium endivia'' — endive, including
escarole
Endive () is a leaf vegetable belonging to the genus '' Cichorium'', which includes several similar bitter-leafed vegetables. Species include '' Cichorium endivia'' (also called endive), '' Cichorium pumilum'' (also called wild endive), and ''Ci ...
* ''
Cichorium intybus
Common chicory (''Cichorium intybus'') is a somewhat woody, perennial herbaceous plant of the family Asteraceae, usually with bright blue flowers, rarely white or pink. Native to the Old World, it has been introduced to North America and Austral ...
'' — chicory (Europe)
* ''
Claytonia perfoliata
''Claytonia perfoliata'' ( syn. ''Montia perfoliata''), also known as miner's lettuce, Indian lettuce, winter purslane, or ''palsingat'' (Cahuilla), is a flowering plant in the family Montiaceae. It is an edible, fleshy, herbaceous, annual plant ...
'' — palsingat (western North America)
* ''
Cnidoscolus aconitifolius
''Cnidoscolus aconitifolius'', commonly known as chaya, tree spinach, or spinach tree, is a large, fast-growing and leafy perennial shrub that is believed to have originated in the Yucatán Peninsula of Mexico.
The specific epithet, ''aconitif ...
'' — chaya (
Yucatán Peninsula
The Yucatán Peninsula (, also , ; es, Península de Yucatán ) is a large peninsula in southeastern Mexico and adjacent portions of Belize and Guatemala. The peninsula extends towards the northeast, separating the Gulf of Mexico to the north ...
of
Mexico
Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
)
* ''
Daucus carota subsp. sativus'' — carrot (
Europe
Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
and
Southwestern Asia
Western Asia, West Asia, or Southwest Asia, is the westernmost subregion of the larger geographical region of Asia, as defined by some academics, UN bodies and other institutions. It is almost entirely a part of the Middle East, and includes Ana ...
)
* ''
Eruca vesicaria
Arugula (American English) or rocket (Commonwealth English) (''Eruca vesicaria''; syns. ''Eruca sativa'' Mill., ''E. vesicaria'' subsp. ''sativa'' (Miller) Thell., ''Brassica eruca'' L.) is an edible annual plant in the family Brassicaceae used ...
'' — arugula or rocket (
Mediterranean
The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the e ...
region)
* ''
Foeniculum vulgare
Fennel (''Foeniculum vulgare'') is a flowering plant species in the carrot family. It is a hardy, perennial herb with yellow flowers and feathery leaves. It is indigenous to the shores of the Mediterranean but has become widely naturalize ...
'' — fennel (southern Europe)
* ''
Gynura bicolor
''Gynura bicolor, ''hongfeng cai 紅鳳菜, Okinawan spinach or edible gynura, is a member of the chrysanthemum family (Asteraceae). It is native to China, Thailand, and Myanmar but grown in many other places as a vegetable and as a medicinal her ...
'' — edible gynura (
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
,
Thailand
Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...
,
Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
)
* ''
Gynura procumbens
''Gynura procumbens'' (also known as sabuñgai or sambung nyawa), sometimes called "longevity spinach" or "longevity greens", is an edible vine found in China, Southeast Asia, and Africa. Leaves are Leaf shape, ovate-elliptic or lanceolate, long ...
'' — longevity spinach (China, Southeast Asia, and Africa)
* ''
Hemerocallis fulva
''Hemerocallis fulva'', the orange day-lily, tawny daylily, corn lily, tiger daylily, fulvous daylily, ditch lily or Fourth of July lily (also railroad daylily, roadside daylily, outhouse lily, and wash-house lily), is a species of daylily native ...
'' — orange day-lily (China or
Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
)
* ''
Lepidium meyenii
''Lepidium meyenii'', known as maca or Peruvian ginseng, is an edible herbaceous biennial plant of the family Brassicaceae that is native to South America in the high Andes mountains of Peru. It was found at the Meseta de Bombón plateau close ...
'' — maca (
Andes
The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S ...
)
* ''
Lactuca sativa
Lettuce (''Lactuca sativa'') is an annual plant of the family Asteraceae. It is most often grown as a leaf vegetable, but sometimes for its stem and seeds. Lettuce is most often used for salads, although it is also seen in other kinds of food, ...
'' — lettuce, including
celtuce
Celtuce () (''Lactuca sativa'' var. ''augustana'',Masatoshi Yamaguchi Caroline Foley ''angustata'', or ''asparagina''), also called stem lettuce, celery lettuce, asparagus lettuce, or Chinese lettuce, is a cultivar of lettuce grown primarily ...
, iceberg lettuce,
red leaf lettuce,
romaine lettuce
Romaine or cos lettuce (''Lactuca sativa'' L. var. ''longifolia'') is a variety of lettuce that grows in a tall head of sturdy dark green leaves with firm ribs down their centers. Unlike most lettuces, it is tolerant of heat. In North America, ...
* ''
Nasturtium officinale
Watercress or yellowcress (''Nasturtium officinale'') is a species of aquatic flowering plant in the cabbage family Brassicaceae.
Watercress is a rapidly growing perennial plant native to Europe and Asia. It is one of the oldest known leaf ve ...
'' — watercress (
Europe
Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
and
Asia
Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...
)
* ''
Malva moschata
''Malva moschata'', the musk mallow or musk-mallow, is a species of flowering plant in the family Malvaceae, native to Europe and southwestern Asia, from Spain north to the British Isles and Poland, and east to southern Russia and Turkey.Flora Eu ...
'' — musk mallow (Europe and southwestern
Asia
Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...
)
* ''
Moringa oleifera
''Moringa oleifera'' is a fast-growing, drought-resistant tree of the family Moringaceae, native to the Indian subcontinent. Common names include moringa, drumstick tree (from the long, slender, triangular seed-pods), horseradish tree (from th ...
'' — moringa (
Indian subcontinent
The Indian subcontinent is a list of the physiographic regions of the world, physiographical region in United Nations geoscheme for Asia#Southern Asia, Southern Asia. It is situated on the Indian Plate, projecting southwards into the Indian O ...
)
* ''
Perilla frutescens
''Perilla frutescens'', commonly called deulkkae, perilla or Korean perilla, is a species of ''Perilla'' in the mint family Lamiaceae. It is an annual plant native to Southeast Asia and Indian highlands, and is traditionally grown in the Korean ...
'' — shisho perilla (Southeast Asia and Indian highlands)
* ''
Rumex acetosa'' — garden sorrel (most of Europe,
temperate
In geography, the temperate climates of Earth occur in the middle latitudes (23.5° to 66.5° N/S of Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ranges throughout t ...
Asia, North America, and
Greenland
Greenland ( kl, Kalaallit Nunaat, ; da, Grønland, ) is an island country in North America that is part of the Kingdom of Denmark. It is located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. Greenland is t ...
)
* ''
Sassafras albidum
''Sassafras albidum'' (sassafras, white sassafras, red sassafras, or silky sassafras) is a species of ''Sassafras'' native to eastern North America, from southern Maine and southern Ontario west to Iowa, and south to central Florida and eastern T ...
'' — sassafras (eastern North America)
* ''
Sauropus androgynus
''Sauropus androgynus'', also known as katuk, star gooseberry, or sweet leaf, is a shrub grown in some tropical regions as a leaf vegetable.
Its multiple upright stems can reach 2.5 meters high and bear dark green oval leaves 5–6 cm lo ...
'' — katuk (South Asia and Southeast Asia)
* ''
Spinacia oleracea
Spinach (''Spinacia oleracea'') is a leafy green flowering plant native to central and western Asia. It is of the order Caryophyllales, family Amaranthaceae, subfamily Chenopodioideae. Its leaves are a common edible vegetable consumed either fre ...
'' — spinach (central and western Asia)
* ''
Solanum aethiopicum
''Solanum aethiopicum'', the bitter tomato, Ethiopian eggplant, or nakati, is a fruiting plant of the genus ''Solanum'' mainly found in Asia and Tropical Africa. It is also known as Ethiopian nightshade, garden eggs, pumpkin-on-a-stick, and moc ...
'' — nakati (Asia and tropical Africa)
* ''
Tropaeolum majus
''Tropaeolum majus'', the garden nasturtium, nasturtium, Indian cress or monks cress, is a species of flowering plant in the family Tropaeolaceae, originating in the Andes from Bolivia north to Colombia. An easily-grown annual or short-lived per ...
'' — garden nasturtium (
Andes
The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S ...
)
* ''
Viola odorata
''Viola odorata'' is a species of flowering plant in the genus ''Viola'', native to Europe and Asia. This small hardy herbaceous perennial is commonly known as wood violet, sweet violet, English violet, common violet, florist's violet, or garden ...
'' — sweet violet (Europe, northern
Africa
Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
,
Syria
Syria ( ar, سُورِيَا or سُورِيَة, translit=Sūriyā), officially the Syrian Arab Republic ( ar, الجمهورية العربية السورية, al-Jumhūrīyah al-ʻArabīyah as-Sūrīyah), is a Western Asian country loc ...
)
* ''
Trigonella foenum-graecum
Fenugreek (; ''Trigonella foenum-graecum'') is an annual plant in the family Fabaceae, with leaves consisting of three small obovate to oblong leaflets. It is cultivated worldwide as a semiarid crop. Its seeds and leaves are common ingredient ...
'' - Fenugreek (
India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
)
Postharvest diseases
Postharvest diseases cause up to 50% losses of leaf vegetables. These are
fungal
A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from th ...
,
bacterial
Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among ...
, and much less commonly
viral. The most important remedy is temperature controlled storage, although also important is prevention of mechanical damage to produce as this provides entryways for pathogens. Uncontaminated water for washing of the vegetables is of lesser but still significant importance.
[ ]
Common bacterial pathogens include:
''Xanthomonas campestris'' pv. ''vitians'', ''
Pseudomonas viridiflava'', ''
P. cichorii'', and ''
P. marginalis'',
''P. syringae'' pv. ''aptata'',
''X. campestris'' pv. ''campestris'',
''X. campestris'' pv. ''raphani'',
''P. syringae'' pv. ''maculicola'',
''P. syringae'' pv. ''alisalensis'', ''
Pectobacterium'' spp. including
''Pectobacterium carotovorum'' subsp. ''odoriferum'' and ''
Pectobacterium aroidearum'', ''
Dickeya
''Dickeya'' is a genus of the family Pectobacteriaceae that consists mainly of pathogens from herbaceous plants. Dickeya is the result of the reclassification of 75 strains of ''Pectobacterium chrysanthemi'', as well as ''Brenneria paradisiaca'' ...
'' spp., ''
Pseudomonas marginalis
''Pseudomonas marginalis'' is a soil bacterium that can cause soft rots of plant tissues. It infects List of poinsettia diseases, poinsettia, List of lettuce diseases, lettuce, and List of crucifer diseases, crucifers (List of canola diseases, ca ...
'', and ''
Pseudomonas viridiflava''.
Common fungal pathogens include: ''
Alternaria brassicicola
''Alternaria brassicicola'' is a fungal necrotrophic plant pathogen that causes black spot disease on a wide range of hosts, particularly in the genus of ''Brassica'', including a number of economically important crops such as cabbage, Chinese ca ...
'', ''
A. alternata'', ''
A. arborescens'', ''
A. tenuissima'', ''
A. japonica
A is the first letter of the Latin and English alphabet.
A may also refer to:
Science and technology Quantities and units
* ''a'', a measure for the attraction between particles in the Van der Waals equation
* A value, ''A'' value, a mea ...
'', ''
Colletotrichum higginsianum
''Colletotrichum higginsianum'' is a plant pathogen.
References
External links
higginsianum
Fungal plant pathogens and diseases
Fungi described in 1917
{{fungus-plant-disease-stub ...
'',
''Colletotrichum dematium'' f. ''spinaciae'', ''
Microdochium panattonianum'', ''
Stemphylium botryosum'', ''
Cladosporium variabile'', ''
Cercospora beticola
''Cercospora beticola'' is a fungus, fungal plant pathogen which typically infects plants of the genus ''Beta (plant), Beta'', within the family of Chenopodiaceae. It is the cause of Cercospora leaf spot disease in sugar beets, spinach and swiss ...
'', ''
C. lactucae-sativae'', ''
C. brassicicola'', ''
C. acetosella'', ''
Botrytis cinerea
''Botrytis cinerea'' is a necrotrophic fungus that affects many plant species, although its most notable hosts may be wine grapes. In viticulture, it is commonly known as "botrytis bunch rot"; in horticulture, it is usually called "grey mould" or ...
'', ''
Golovinomyces cichoracearum
''Erysiphe cichoracearum'' is a fungal plant pathogen that causes powdery mildew disease of cucurbits, including melon, cucumber, pumpkin, and squash. The primary symptoms are white, powder-like spots on the leaves and stems. '' Sphaerotheca f ...
'', ''
Podosphaera fusca'', ''
Erysiphe cruciferarum
''Erysiphe cruciferarum'' is a plant pathogen of the family Erysiphaceae, which causes the main powdery mildew of crucifers, including on ''Brassica'' crops, such as cauliflower, cabbage, broccoli, and Brussels sprouts. ''E. cruciferarum'' is d ...
'', ''
E. polygoni'', ''
E. heraclei'', ''
Sclerotinia sclerotiorum
''Sclerotinia sclerotiorum'' is a plant pathogenic fungus and can cause a disease called white mold if conditions are conducive. ''S. sclerotiorum'' can also be known as cottony rot, watery soft rot, stem rot, drop, crown rot and blossom blight. ...
'', and ''
S. minor''.
Common
oomycete
Oomycota forms a distinct phylogenetic lineage of fungus-like eukaryotic microorganisms, called oomycetes (). They are filamentous and heterotrophic, and can reproduce both sexually and asexually. Sexual reproduction of an oospore is the resul ...
pathogens include: ''
Albugo occidentalis
''Albugo occidentalis'', the causal agent of spinach white rust, is an oomycete plant pathogen, although some discussions still treat it as a Fungus, fungal organism. ''Albugo occidentalis'' is one of the most important spinach diseases in North ...
'', ''
A. ipomoeae-aquaticae'', ''
A. candida'', ''
Hyaloperonospora parasitica
''Hyaloperonospora parasitica'' is an oomycete from the family Peronosporaceae. It has been considered for a long time to cause downy mildew of a variety of species within the Brassicaceae, on which the disease can cause economically important da ...
'', ''
Bremia lactucae'', ''
Peronospora effusa
''Peronospora farinosa'' is a species name that has been widely applied to downy mildew on leaves of wild and cultivated ''Amaranthaceae'': ''Amaranthus'', ''Atriplex'', ''Bassia'', ''Beta'', ''Chenopodium'', ''Halimione'', ''Salsola'', ''Spinaci ...
'', and
''Peronospora farinosa'' f.sp. ''betae''.
Fungicide
Fungicides are biocidal chemical compounds or biological organisms used to kill parasitic fungi or their spores. A fungistatic inhibits their growth. Fungi can cause serious damage in agriculture, resulting in critical losses of yield, quality, ...
s such as
prochloraz
Prochloraz, brand name Sportak, is an imidazole fungicide that was introduced in 1978 and is widely used in Europe, Australia, Asia, and South America within gardening and agriculture to control the growth of fungi. It is not registered for ...
can be used to manage some of these.
Gallery
Starr 020803-0094 Centella asiatica.jpg, Gotukola
''Centella asiatica'', commonly known as gotu kola, kodavan, Indian pennywort and Asiatic pennywort, is a herbaceous, perennial plant in the flowering plant family Apiaceae. It is native to tropical regions of Africa, Asia, Australia, and isla ...
(''Centella asiatica'')
Swiss Chard.jpg, Swiss chard
Chard or Swiss chard (; ''Beta vulgaris'' subsp. ''vulgaris'', Cicla Group and Flavescens Group) is a green leafy vegetable. In the cultivars of the Flavescens Group, the leaf stalks are large and often prepared separately from the leaf blade; ...
Ong choy water spinach.png, Water spinach
''Ipomoea aquatica'', widely known as water spinach, is a semi- aquatic, tropical plant grown as a vegetable for its tender shoots. ''I. aquatica'' is generally believed to have been first domesticated in Southeast Asia. It is widely cultivate ...
Կանաչի 3.JPG, Sabzi Khordan
Sabzi khordan ( fa, سبزی خوردن), kanachi,( hy, կանաչի), goy ( az, Yemax goyü) or pinjar (Kurdish: ''pinçar'') is a common side dish in Iranian, Kurdish, Azerbaijani,
Afghan, and Armenian cuisines, which may be served with any mea ...
, an Iranian salad-like dish, here of mixed greens and radish
The radish (''Raphanus raphanistrum'' subsp. ''sativus'') is an Eating, edible root vegetable of the family Brassicaceae that was domesticated in Asia prior to Roman Empire, Roman times.
Radishes are grown and consumed throughout the world, be ...
es
See also
*
Healthy diet
*
List of leaf vegetables
This is a list of vegetables which are grown or harvested primarily for the consumption of their leafy parts, either raw or cooked. Many vegetables with leaves that are consumed in small quantities as a spice such as oregano, for medicinal purpo ...
*
Leaf protein concentrate
Leaf protein concentrate (LPC) is a concentration, concentrated form of the proteins found in the leaf, leaves of plants. It has been examined as a human or animal food source, because it is potentially the cheapest, most abundant source of availa ...
*
Mesclun
Mesclun () is a mix of assorted small young salad greens that originated in Provence, France. The traditional mix includes chervil, arugula, leafy lettuces and endive, while the term ''mesclun'' may also refer to a blend that might include s ...
*
Slek
The musical leaf is one of any leaves which is used to play music on.
It goes by many names, including leaflute, leaf flute, leaf whistle, gum leaf, and leafophone.
In Cambodia it is called a ''slek'' () and is played by country people in Cambod ...
*
Herbs
In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...
*
Spring greens
Spring(s) may refer to:
Common uses
* Spring (season), a season of the year
* Spring (device), a mechanical device that stores energy
* Spring (hydrology), a natural source of water
* Spring (mathematics), a geometric surface in the shape of a ...
References
{{Authority control
Vegetables