Euryale Ferox
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''Euryale ferox,'' commonly known as prickly waterlily, makhana or Gorgon plant, is a species of water lily found in southern and eastern Asia, and the only extant member of the genus ''Euryale''. The edible seeds, called fox nuts or ''makhana'' when dried, are eaten in Asia. Though normally classified in the water lily family,
Nymphaeaceae Nymphaeaceae () is a family of flowering plants, commonly called water lilies. They live as rhizomatous aquatic herbs in temperate and tropical climates around the world. The family contains nine genera with about 70 known species. Water li ...
, the species is occasionally regarded as a distinct family, Euryalaceae. Unlike other water lilies, the
pollen Pollen is a powdery substance produced by seed plants. It consists of pollen grains (highly reduced microgametophytes), which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametophyt ...
grains of ''Euryale'' have three nuclei.


Etymology

The genus is named after a mythical Greek
Gorgon A Gorgon (Help:IPA/English, /ˈɡɔːrɡən/; plural: Gorgons, Ancient Greek language, Ancient Greek: Γοργών/Γοργώ ''Gorgṓn/Gorgṓ'') is a creature in Greek mythology. Gorgons occur in the earliest examples of Greek literature. W ...
,
Euryale In Greek mythology, Euryale ( ; grc, Εὐρυάλη, lit=far-roaming") was the name of the following characters: * Euryale (Gorgon), Euryale, one of the Gorgons. * Euryale, daughter of Minos, possible mother of the great hunter Orion (mythology) ...
.


Growth

''Euryale'' ''ferox'' is a
perennial plant A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...
native to eastern
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 ...
and southern Asia, and is found from northeast
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 ...
to
Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
and
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 ...
, as well as parts of eastern
Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...
. The Indian state of
Bihar Bihar (; ) is a state in eastern India. It is the 2nd largest state by population in 2019, 12th largest by area of , and 14th largest by GDP in 2021. Bihar borders Uttar Pradesh to its west, Nepal to the north, the northern part of West Be ...
produces 90% of the world's fox nuts.''Flora of China'', "Euryale ferox"
/ref> It grows in water, producing bright purple
flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechani ...
s. The
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 ...
are large and round, often more than a meter (3 feet) across, with a leaf stalk attached in the centre of the lower surface. The underside of the leaf is purplish, while the upper surface is green. The leaves have a quilted texture, although the stems, flowers, and leaves which float on the surface are covered in sharp prickles. Other leaves are submerged. In India, ''Euryale'' normally grows in ponds and wetlands.


Uses


Culinary

The plant produces
starch Starch or amylum is a polymeric carbohydrate consisting of numerous glucose units joined by glycosidic bonds. This polysaccharide is produced by most green plants for energy storage. Worldwide, it is the most common carbohydrate in human diets ...
y white
seed A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiospe ...
s that are edible. The plant is cultivated for its seeds in lowland
pond A pond is an area filled with water, either natural or artificial, that is smaller than a lake. Defining them to be less than in area, less than deep, and with less than 30% emergent vegetation helps in distinguishing their ecology from th ...
s in India, China, and Japan. The
Chinese Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of ...
have cultivated the plant for centuries. More than 96,000
hectare The hectare (; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm2), or 10,000 m2, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is a ...
s of
Bihar Bihar (; ) is a state in eastern India. It is the 2nd largest state by population in 2019, 12th largest by area of , and 14th largest by GDP in 2021. Bihar borders Uttar Pradesh to its west, Nepal to the north, the northern part of West Be ...
, India, were set aside for cultivation of ''Euryale'' in 1990–1991. The plant grows best in locations with hot, dry summers and cold winters. Seeds are collected in the late summer and early autumn, and may be eaten raw or cooked. In the northern and western parts of
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 ...
, ''Euryale ferox'' seeds are often roasted or fried, which causes them to pop like
popcorn Popcorn (also called popped corn, popcorns or pop-corn) is a variety of corn kernel which expands and puffs up when heated; the same names also refer to the foodstuff produced by the expansion. A popcorn kernel's strong hull contains the se ...
. These are then eaten, often with a sprinkling of oil and
spice A spice is a seed, fruit, root, bark, or other plant substance primarily used for flavoring or coloring food. Spices are distinguished from herbs, which are the leaves, flowers, or stems of plants used for flavoring or as a garnish. Spices a ...
s. They are also used in other types of cooking, especially to make a porridge or pudding called
kheer Kheer, also known as payasam, is a sweet dish and a type of wet pudding popular in the Indian subcontinent, usually made by boiling milk, sugar or jaggery, and rice, although rice may be substituted with one of the following: daals, bulgur whe ...
. Evidence from
archaeobotany Paleoethnobotany (also spelled palaeoethnobotany), or archaeobotany, is the study of past human-plant interactions through the recovery and analysis of ancient plant remains. Both terms are synonymous, though paleoethnobotany (from the Greek words ...
indicates that ''Euryale ferox'' was a frequently collected wild food source during the
Neolithic The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several parts ...
period in the Yangtze region, with large numbers of finds coming from the sites of
Kuahuqiao The Kuahuqiao site () is an early Neolithic site of Kuahuqiao culture (跨湖桥文化 Kuahuqiao Wenhua) near Xianghu village, Xiaoshan District, in suburban Hangzhou, Zhejiang, China. It was first discovered in the early 1970s during the construc ...
,
Hemudu The Hemudu culture (5500 BC to 3300 BC) was a Neolithic culture that flourished just south of the Hangzhou Bay in Jiangnan in modern Yuyao, Zhejiang, China. The culture may be divided into early and late phases, before and after 4000 BC respecti ...
, and Tianluoshan. The earliest recorded use of ''E. ferox'' was found in Gesher Benot Ya'aqov, Israel, among artifacts of the Acheulean culture 750–790,000 years ago. The seeds are used in Cantonese soup.


Traditional medicine

The seeds of foxnut are used in
Ayurveda Ayurveda () is an alternative medicine system with historical roots in the Indian subcontinent. The theory and practice of Ayurveda is pseudoscientific. Ayurveda is heavily practiced in India and Nepal, where around 80% of the population repo ...
preparations and in
traditional Chinese medicine Traditional Chinese medicine (TCM) is an alternative medical practice drawn from traditional medicine in China. It has been described as "fraught with pseudoscience", with the majority of its treatments having no logical mechanism of action ...
.


Notes


References


Further reading

* * *


External links

* {{Taxonbar, from=Q310795 Flora of Korea Medicinal plants of Asia Nymphaeaceae Plants described in 1805 Plants used in traditional Chinese medicine Taxa named by Richard Anthony Salisbury