''Aloe'' (; also written ''Aloë'') is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

containing over 650

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriat ...

of flowering

succulent In botany, succulent plants, also known as succulents, are plants with parts that are thickened, fleshy, and engorged, usually to retain water in arid climates or soil conditions. The word ''succulent'' comes from the Latin word ''sucus'', meani ...

plant Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae excl ...

s.WFO (2022): Aloe L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000001341. Accessed on: 06 Nov 2022 The most widely known species is ''

Aloe vera ''Aloe vera'' () is a succulent plant species of the genus '' Aloe''. It is widely distributed, and is considered an invasive species in many world regions. An evergreen perennial, it originates from the Arabian Peninsula, but grows wild in t ...

'', or "true aloe". It is called this because it is cultivated as the standard source for assorted pharmaceutical purposes. Other species, such as '' Aloe ferox'', are also cultivated or harvested from the wild for similar applications. The

APG IV system The APG IV system of flowering plant classification is the fourth version of a modern, mostly molecular-based, system of plant taxonomy for flowering plants (angiosperms) being developed by the Angiosperm Phylogeny Group (APG). It was published ...

(2016) places the genus in the family Asphodelaceae, subfamily Asphodeloideae. Within the subfamily it may be placed in the tribe Aloeae.Stevens, P.F. (2001 onwards).
Asphodelaceae
. ''Angiosperm Phylogeny Website''. Retrieved 2016-06-09. In the past, it has been assigned to the family

Aloaceae Asphodeloideae is a subfamily of the monocot family Asphodelaceae in the order Asparagales. It has previously been treated as a separate family, Asphodelaceae ''sensu stricto''. The family Asphodelaceae has now been proposed to be a nomen conse ...

(now included in the Asphodeloidae) or to a broadly circumscribed family

Liliaceae The lily family, Liliaceae, consists of about 15 genera and 610 species of flowering plants within the order Liliales. They are monocotyledonous, perennial, herbaceous, often bulbous geophytes. Plants in this family have evolved with a fair ...

(the lily family). The plant '' Agave americana'', which is sometimes called "American aloe", belongs to the

Asparagaceae Asparagaceae, known as the asparagus family, is a family of flowering plants, placed in the order Asparagales of the monocots. The family name is based on the edible garden asparagus, '' Asparagus officinalis''. Those who live in the temperate ...

, a different family. The genus is native to tropical and southern

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 ...

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Jordan Jordan ( ar, الأردن; tr. ' ), officially the Hashemite Kingdom of Jordan,; tr. ' is a country in Western Asia. It is situated at the crossroads of Asia, Africa, and Europe, within the Levant region, on the East Bank of the Jordan Rive ...

, the

Arabian Peninsula The Arabian Peninsula, (; ar, شِبْهُ الْجَزِيرَةِ الْعَرَبِيَّة, , "Arabian Peninsula" or , , "Island of the Arabs") or Arabia, is a peninsula of Western Asia, situated northeast of Africa on the Arabian Plat ...

, and various islands in the

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by ...

(

Mauritius Mauritius ( ; french: Maurice, link=no ; mfe, label= Mauritian Creole, Moris ), officially the Republic of Mauritius, is an island nation in the Indian Ocean about off the southeast coast of the African continent, east of Madagascar. It ...

Réunion Réunion (; french: La Réunion, ; previously ''Île Bourbon''; rcf, label= Reunionese Creole, La Rényon) is an island in the Indian Ocean that is an overseas department and region of France. It is located approximately east of the island o ...

Comoros The Comoros,, ' officially the Union of the Comoros,; ar, الاتحاد القمري ' is an independent country made up of three islands in southeastern Africa, located at the northern end of the Mozambique Channel in the Indian Ocean. It ...

, etc.). A few species have also become naturalized in other regions (

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 ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...

Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...

North North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''north ...

and

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 sou ...

Hawaiian Islands The Hawaiian Islands ( haw, Nā Mokupuni o Hawai‘i) are an archipelago of eight major islands, several atolls, and numerous smaller islets in the North Pacific Ocean, extending some from the island of Hawaii in the south to northernmost ...

, etc.).

Taxonomy

The genus name ''Aloe'' is derived from the Arabic word ''alloeh'', meaning "bitter and shiny substance" or from

Hebrew Hebrew (; ; ) is a Northwest Semitic language of the Afroasiatic language family. Historically, it is one of the spoken languages of the Israelites and their longest-surviving descendants, the Jews and Samaritans. It was largely preserved ...

''ahalim'', plural of ''ahal''.

Description

Most ''Aloe'' species have a rosette of large, thick, fleshy

leaves A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, st ...

. ''Aloe''

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 mechanis ...

s are tubular, frequently yellow, orange, pink, or red, and are borne, densely clustered and pendant, at the apex of simple or branched, leafless stems. Many species of ''Aloe'' appear to be stemless, with the rosette growing directly at ground level; other varieties may have a branched or unbranched

stem Stem or STEM may refer to: Plant structures * Plant stem, a plant's aboveground axis, made of vascular tissue, off which leaves and flowers hang * Stipe (botany), a stalk to support some other structure * Stipe (mycology), the stem of a mushro ...

from which the fleshy leaves spring. They vary in color from grey to bright-green and are sometimes striped or mottled. Some aloes native to South Africa are tree-like (arborescent).

Systematics

The

(2016) places the genus in the family Asphodelaceae, subfamily Asphodeloideae. In the past it has also been assigned to the families

and Aloeaceae, as well as the family Asphodelaceae

sensu stricto ''Sensu'' is a Latin word meaning "in the sense of". It is used in a number of fields including biology, geology, linguistics, semiotics, and law. Commonly it refers to how strictly or loosely an expression is used in describing any particular c ...

, before this was merged into the Asphodelaceae sensu lato. The circumscription of the genus has varied widely. Many genera, such as ''Lomatophyllum'', have been brought into synonymy. Species at one time placed in ''Aloe'', such as '' Agave americana'', have been moved to other genera. Molecular phylogenetic studies, particularly from 2010 onwards, suggested that as then circumscribed, ''Aloe'' was not

monophyletic In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gr ...

and should be divided into more tightly defined genera. In 2014,

John Charles Manning John Charles Manning (born 1962) is a South African botanist based in the Compton Herbarium, South African National Biodiversity Institute The South African National Biodiversity Institute (SANBI) is an organisation established in 2004 in ...

and coworkers produced a phylogeny in which ''Aloe'' was divided into six genera: '' Aloidendron'', '' Kumara'', ''

Aloiampelos ''Aloiampelos'' (combination of 'Aloe' and 'ampelos'=vine or creeper), formerly ''Aloe'' ser. ''Macrifoliae'' (the climbing-aloes) is a genus of succulent plants in the subfamily Asphodeloideae, comprising seven species found in Southern Africa. ...

'', ''Aloe'', ''

Aristaloe ''Aristaloe'' is a genus of evergreen flowering perennial plants in the family Asphodelaceae from Southern Africa. Its sole species is ''Aristaloe aristata'', known as guinea-fowl aloe or lace aloe. Naming and taxonomy This species is known loc ...

'' and ''

Gonialoe ''Gonialoe'' (the partridge aloes) is a small genus of three succulent plant species, indigenous to South Africa, Namibia and Angola. They were formerly included within the related genus ''Aloe''. The three species are '' Gonialoe variegata, Gon ...

''.

Species

Over 600 species are accepted in the genus ''Aloe'', plus even more synonyms and unresolved species, subspecies, varieties, and hybrids. Some of the accepted species are: *'' Aloe aculeata'' Pole-Evans *''

Aloe africana ''Aloe africana'' (known as the Uitenhage Aloe) is an arborescent (tree-like) species of aloe plant, indigenous to the Eastern Cape Province, South Africa. Description The plant grows slowly and flowers when it is four to five years old. Flow ...

'' Mill. *'' Aloe albida'' (Stapf) Reynolds *'' Aloe albiflora'' Guillaumin *''

Aloe arborescens ''Aloe arborescens'', the krantz aloe or candelabra aloe, is a species of flowering succulent perennial plant that belongs to the genus ''Aloe'', which it shares with the well known and studied ''Aloe vera''. The specific epithet ''arborescens'' ...

'' Mill. *''

Aloe arenicola ''Aloe arenicola'' (the sand aloe or Bont-Ot'korrie) is a spotted creeping aloe, indigenous to the arid west coast of South Africa. Distribution The name ''"arenicola"'' means "inhabitant of sands" in Latin, as this tough aloe is naturally rest ...

'' Reynolds *'' Aloe argenticauda'' Merxm. & Giess *''

Aloe bakeri ''Aloe bakeri'' is a species of flowering plant in the family Asphodelaceae, native to Madagascar, where it grows on rocky hills at low elevations. Growing to tall by wide, it is an evergreen perennial forming multiple rosettes of spidery succu ...

'' Scott-Elliot *''

Aloe ballii ''Aloe ballii'' is a species of plant in the family Asphodelaceae, subfamily Asphodeloideae. It is found in Mozambique and Zimbabwe Zimbabwe (), officially the Republic of Zimbabwe, is a landlocked country located in Southeast Africa, b ...

'' Reynolds *'' Aloe ballyi'' Reynolds *''

Aloe brevifolia ''Aloe brevifolia'', the short-leaved aloe, is a species of flowering plant in the family Asphodelaceae. It is a tiny, compact, blue-green evergreen succulent perennial, that is native to the Western Cape, South Africa. Listed as Vulnerable on ...

'' Mill. *''

Aloe broomii ''Aloe broomii'', known as the mountain aloe or snake aloe on account of its odd inflorescence, is a species of flowering plant in the genus ''Aloe'', found in southern Africa. Distribution This aloe is widespread in South Africa and Lesotho. In ...

'' Schönland *''

Aloe buettneri ''Aloe buettneri'' is a species of succulent plant in the family Asphodelaceae. It is found in West Africa and is known for its medicinal uses. Description ''Aloe buettneri'' is a succulent plant with thick and fleshy leaves arranged in a roset ...

'' A.Berger *'' Aloe camperi'' Schweinf. *'' Aloe capitata'' Baker *''

Aloe comosa ''Aloe comosa'' is a species of flowering plant in the Asphodelaceae family. It is commonly called Clanwilliam aloe) and is endemic to South Africa. Description Typically, ''Aloe comosa'' has thick, succulent leaf blades approximately 2 fee ...

'' Marloth & A.Berger *'' Aloe cooperi'' Baker *'' Aloe corallina'' Verd. *'' Aloe dewinteri'' Giess ex Borman & Hardy *'' Aloe erinacea'' D.S.Hardy *''

Aloe excelsa ''Aloe excelsa'' (also known as the Zimbabwe Aloe) is an arborescent aloe indigenous to southern Africa. Description The Zimbabwe Aloe is a tall aloe, sometimes reaching tree dimensions of 5–6 metres, although 3 metres is a more common heigh ...

'' A.Berger *'' Aloe ferox'' Mill. *'' Aloe forbesii'' Balf.f. *'' Aloe helenae'' Danguy *''

Aloe hereroensis ''Aloe hereroensis'' is an African ''Aloe'' native to Angola, Namibia and South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. It is bounded to the south by of ...

'' Engl. *'' Aloe inermis'' Forssk. *''

Aloe inyangensis ''Aloe inyangensis'' is a succulent aloe plant species, found only in the mountainous Eastern Highlands of Zimbabwe. It grows best in shady conditions but in some areas is also found in the open in heaths on mountain tops. There are two subspecie ...

'' Christian *''

Aloe jawiyon ''Aloe jawiyon'' is a species of plant in the genus Aloe. It is endemic to the island of Socotra, Yemen. Distribution and habitat It is one of three Aloe species that naturally occur on Socotra, the other two being ''Aloe perryi'' and '' Aloe ...

'' S.J.Christie, D.P.Hannon & Oakman ex A.G.Mill. *'' Aloe jucunda'' Reynolds *''

Aloe khamiesensis ''Aloe khamiesensis'' (also called Khamiesberg aloe or tweederly in Afrikaans) is a species of plant in the genus ''Aloe''. It is endemic to South Africa, where it occurs in the dry, western interior regions of Namaqualand and Bushmanland. It i ...

'' Pillans *''

Aloe kilifiensis ''Aloe kilifiensis'' is a species of plant found on the shores around the Kenya–Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African G ...

'' Christian *''

Aloe maculata ''Aloe maculata'' (syn. ''Aloe saponaria''), the soap aloe or zebra aloe, is a Southern African species of aloe. Local people in South Africa know it informally as the ''Bontaalwyn'' in Afrikaans, or ''lekhala'' in the Sesotho language. Descript ...

'' All. *''

Aloe marlothii ''Aloe marlothii'' (also known as the mountain aloe or the flat-flowered aloe) is a large, single-stemmed Southern African aloe of rocky places and open flat country, occasionally growing up to 6 m tall. Description Named after Rudolf Marloth ...

'' A.Berger *'' Aloe mubendiensis'' Christian *'' Aloe namibensis'' Giess *''

Aloe nyeriensis ''Aloe nyeriensis'' is a succulent aloe plant species, endemic to Kenya. It grows from 1–3 metres tall, and sends up an inflorescence on a flowering stalk from 0.5 to 0.8 metres tall, densely packed with red flowers. ''A''. ''nyeriensis'' gro ...

'' Christian & I.Verd. *''

Aloe pearsonii ''Aloe pearsonii'' (Pearson's Aloe) is a very distinctive and unusual species of aloe, that is naturally endemic to the arid Richtersveld area on the border between South Africa and Namibia. Naming and classification ''Aloe pearsonii'' is often ...

'' Schönland *'' Aloe peglerae'' Schönland *'' Aloe perfoliata'' L. *'' Aloe perryi'' Baker *''

Aloe petricola ''Aloe petricola'' belongs to the genus ''Aloe'' in the family Asphodelaceae, and is commonly known as a stone aloe. This particular aloe is a flowering species with unique and distinct inflorescences, which make the plant easy to identify and d ...

'' Pole-Evans *''

Aloe polyphylla ''Aloe polyphylla'', the spiral aloe, ''kroonaalwyn'', ''lekhala kharetsa'', or many-leaved aloe, is a species of flowering plant in the genus ''Aloe'' that is endemic to the Kingdom of Lesotho in the Drakensberg mountains. An evergreen succulen ...

'' Pillans *'' Aloe rauhii'' Reynolds *''

Aloe reynoldsii '' Aloe reynoldsii '' is a species of plant in the Asphodelaceae family. Description ''Aloe reynoldsii'' is a succulent without a stem or with very short stems, with leaves gathered in a rosette. The leaves are bluish-green, elongated, fleshy, ...

'' Letty *''

Aloe scobinifolia ''Aloe scobinifolia'' is a small, stemless Aloe from Somalia. See also *Succulent plant In botany, succulent plants, also known as succulents, are plants with parts that are thickened, fleshy, and engorged, usually to retain water in arid c ...

'' Reynolds & Bally *'' Aloe sinkatana'' Reynolds *''

Aloe squarrosa ''Aloe squarrosa'' is a species of flowering plant in the Asphodelaceae family. It is from the island of Socotra, Yemen. Distribution and habitat ''Aloe squarrosa'' is endemic to the island of Socotra, Yemen. It is one of three Aloe species ...

'' Baker ex Balf.f. *''

Aloe striata ''Aloe striata'', with the common name coral aloe, is a small, stemless South African Aloe species. Distribution This species occurs quite widely over the southern parts of the Cape Floristic Region, in the Eastern Cape Province and Western Cape ...

'' Haw. *''

Aloe succotrina ''Aloe succotrina'', the Fynbos aloe, is an aloe which is endemic to Cape Town and the south-western corner of the Western Cape, South Africa. Distribution ''Aloe succotrina'' is naturally found on the Cape Peninsula, and as far as Mossel Bay ...

'' Lam. *''

Aloe suzannae ''Aloe suzannae'' is an endangered species of plant in the genus ''Aloe'', indigenous to the south of Madagascar. Description It is exceptional in its genus in having nocturnal fragrant flowers, presumably pollinated by nocturnal animals such a ...

'' Decary *'' Aloe thraskii'' Baker *''

'' (L.) Burm.f. *''

Aloe viridiflora ''Aloe viridiflora'' is a species of plant in the genus ''Aloe''. The species is endemic to Namibia with a wide range (the extent of occurrence is greater than 20,000 km2) and is known from at least six different populations. Current trends ...

'' Reynolds *'' Aloe wildii'' (Reynolds) Reynolds In addition to the species and hybrids between species within the genus, several hybrids with other genera have been created in cultivation, such as between ''Aloe'' and '' Gasteria'' ( × ''Gasteraloe''), and between ''Aloe'' and ''

Astroloba ''Astroloba'' is a genus of flowering plants in the family Asphodelaceae, subfamily Asphodeloideae,Stevens, P.F. (2001 onwards)"Asphodeloideae" ''Angiosperm Phylogeny Website'', retrieved 2016-06-10 native to the Cape Province of South Africa. ...

'' ('' ×Aloloba''). Aloe diversity

Uses

Aloe species are frequently cultivated as ornamental plants both in gardens and in pots. Many aloe species are highly decorative and are valued by collectors of succulents. ''Aloe vera'' is used both internally and externally on humans as folk or

alternative Alternative or alternate may refer to: Arts, entertainment and media * Alternative (''Kamen Rider''), a character in the Japanese TV series ''Kamen Rider Ryuki'' * ''The Alternative'' (film), a 1978 Australian television film * ''The Alternative ...

medicine. The ''Aloe'' species is known for its medicinal and cosmetic properties. Around 75% of ''Aloe'' species are used locally for medicinal uses. The plants can also be made into types of special soaps or used in other skin care products (see

natural skin care Natural skin care uses topical creams and lotions made of ingredients available in nature. Much of the recent literature reviews plant-derived ingredients, which may include herbs, roots, flowers and essential oils, but natural substances in skin ...

). Numerous cultivars with mixed or uncertain parentage are grown. Of these, ''Aloe'' ‘Lizard Lips’ has gained the

Royal Horticultural Society The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity. The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr (Nor ...

’s

Award of Garden Merit The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions. History The Award of Garden Merit ...

. ''Aloe variegata'' has been planted on graves in the superstitious belief that this ensures eternal life.

Historical uses

Historical use of various aloe species is well documented. Documentation of the clinical effectiveness is available, although relatively limited. Of the 500+ species, only a few were used traditionally as

herbal medicine Herbal medicine (also herbalism) is the study of pharmacognosy and the use of medicinal plants, which are a basis of traditional medicine. With worldwide research into pharmacology, some herbal medicines have been translated into modern remedie ...

s, ''Aloe vera'' again being the most commonly used species. Also included are ''A. perryi'' and ''A. ferox''. The Ancient Greeks and Romans used ''Aloe vera'' to treat wounds. In the Middle Ages, the yellowish liquid found inside the leaves was favored as a purgative. Unprocessed aloe that contains aloin is generally used as a laxative, whereas processed juice does not usually contain significant aloin. Some species, particularly ''Aloe vera'', are used in alternative medicine and first aid. Both the translucent inner pulp and the resinous yellow aloin from wounding the aloe plant are used externally for skin discomforts. As an herbal medicine, ''Aloe vera'' juice is commonly used internally for digestive discomfort. According to Cancer Research UK, a potentially deadly product called T-UP is made of concentrated aloe, and promoted as a cancer cure. They say "there is currently no evidence that aloe products can help to prevent or treat cancer in humans".

Aloin in OTC laxative products

On May 9, 2002, the US Food and Drug Administration issued a final rule banning the use of aloin, the yellow sap of the aloe plant, for use as a laxative ingredient in over-the-counter drug products. Most aloe juices today do not contain significant aloin.

Chemical properties

According to W. A. Shenstone, two classes of aloins are recognized: (1) nataloins, which yield picric and

oxalic acid Oxalic acid is an organic acid with the systematic name ethanedioic acid and formula . It is the simplest dicarboxylic acid. It is a white crystalline solid that forms a colorless solution in water. Its name comes from the fact that early invest ...

s with

nitric acid Nitric acid is the inorganic compound with the formula . It is a highly corrosive mineral acid. The compound is colorless, but older samples tend to be yellow cast due to decomposition into oxides of nitrogen. Most commercially available ni ...

, and do not give a red coloration with nitric acid; and (2) barbaloins, which yield aloetic acid (C₇H₂N₃O₅), chrysammic acid (C₇H₂N₂O₆), picric and oxalic acids with nitric acid, being reddened by the acid. This second group may be divided into a-barbaloins, obtained from Barbados ''Aloe'', and reddened in the cold, and b-barbaloins, obtained from ''Aloe Socotrina'' and Zanzibar ''Aloe'', reddened by ordinary nitric acid only when warmed or by fuming acid in the cold. Nataloin (2C₁₇H₁₃O₇·H₂O) forms bright-yellow scales, barbaloin (C₁₇H₁₈O₇) prismatic crystals. ''Aloe'' species are used in essential oils as a safety measure to dilute the solution before they are applied to the skin.

Flavoring

''Aloe perryi'', ''A. barbadensis'', ''A. ferox'', and hybrids of this species with ''A. africana'' and ''A. spicata'' are listed as natural flavoring substances in the US government ''Electronic Code of Federal Regulations''. ''Aloe socotrina'' is said to be used in yellow Chartreuse.John Tellman (1900
''The Practical Hotel Steward''
The Hotel Monthly, Chicago

Heraldic occurrence

''Aloe rubrolutea'' occurs as a charge in

heraldry Heraldry is a discipline relating to the design, display and study of armorial bearings (known as armory), as well as related disciplines, such as vexillology, together with the study of ceremony, rank and pedigree. Armory, the best-known bran ...

, for example in the Civic Heraldry of Namibia.

Gallery

File:Aloe vossii - plant (aka).jpg, ''

Aloe vossii ''Aloe'' (; also written ''Aloë'') is a genus containing over 650 species of flowering succulent plants.WFO (2022): Aloe L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000001341. Accessed on: 06 Nov 2022 The most wid ...

'' File:Aloe rubroviolacea2.jpg, '' A. rubroviolacea'' File:Aloe africana 1.jpg, ''

'' (Uitenhage aloe) File:Gardenology-IMG 5394 hunt10mar.jpg, ''

'' (flat-flowered aloe) File:Aloe pluridens (3).jpg, ''

Aloe pluridens ''Aloe pluridens'' (also known as the French Aloe) is an arborescent aloe indigenous to southern Africa. Description This species can occasionally grow up to 6 meters in height. It is usually single-stemmed (however in cultivation conditions ...

'' (French aloe) File:Aloe excelsa at Mount Coot-tha.JPG, ''

'' (Zimbabwe aloe) File:Aloe rupestris, vroeë bloeiwyse, Pretoria.jpg, ''

Aloe rupestris ''Aloe rupestris'' (known as the Bottlebrush Aloe) is an arborescent aloe indigenous to summer-rainfall areas of southern Africa. Description The Bottlebrush Aloe gets its common name from its distinctive and showy flowers. The large candelabr ...

'' (bottlebrush aloe) File:Aloe speciosa - tilt head aloe.jpg, '' Aloe hexapetala'' (tilt-headed aloe) File:Blooming aloes wide view alternate, with bright sun behind.jpg, Blooming ''

'' File:Aloe cooperi in flower IMG 1702e.JPG, ''Aloe cooperi'' (''Aloe plicatilis'' in background on the right) File:Aloe hereroensis Auob C15.JPG, ''

'' File:Aloe peglerae01.jpg, '' Aloe peglerae'' File:Aloe saponaria 1.jpg, ''

'' - prev. ''A. saponaria'' (soap aloe) File:Aloe reitzii flowers.jpg, ''

Aloe reitzii ''Aloe'' (; also written ''Aloë'') is a genus containing over 650 species of flowering succulent plants.WFO (2022): Aloe L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000001341. Accessed on: 06 Nov 2022 The most wid ...

References

External links

{{Authority control Plants used in Ayurveda Asphodelaceae genera Laxatives Cosmetics chemicals Succulent plants