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''Anacardium'', the cashews, are a genus of
flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
s in the family
Anacardiaceae The Anacardiaceae, commonly known as the cashew family or sumac family, are a family of flowering plants, including about 83 genera with about 860 known species. Members of the Anacardiaceae bear fruits that are drupes and in some cases produce ...
, native to
tropical The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in the Southern Hemisphere at S. The tropics are also referred to ...
regions of the
Americas The Americas, which are sometimes collectively called America, are a landmass comprising the totality of North and South America. The Americas make up most of the land in Earth's Western Hemisphere and comprise the New World. Along with th ...
. The best known species is ''
Anacardium occidentale The cashew tree (''Anacardium occidentale'') is a tropical evergreen tree native to South America in the genus ''Anacardium'' that produces the cashew seed and the cashew apple accessory fruit. The tree can grow as tall as , but the dwarf cult ...
,'' which is commercially cultivated for its cashew nuts and cashew apples.


Etymology

The name ''Anacardium'', originally from the Greek, actually refers to the nut, core or heart of the fruit, which is outwardly located (ana means "upwards" and -cardium means "heart").


Taxonomy

The oldest species of the genus ''Anacardium'' is ''Anacardium germanicum'' from the
Eocene The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...
aged
Messel Pit The Messel pit (german: Grube Messel) is a disused quarry near the village of Messel ( Landkreis Darmstadt-Dieburg, Hesse) about southeast of Frankfurt am Main, Germany. Bituminous shale was mined there. Because of its abundance of well-preserv ...
of Germany, well outside the current range of the genus. They were present in the Americas by the
Oligocene The Oligocene ( ) is a geologic epoch of the Paleogene Period and extends from about 33.9 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that define the epoch are well identified but the ...
-
Miocene The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recen ...
, as evidenced by the species ''Anacardium gassonii'' from Panama. , the ''Plants of the World Online'' accepts 20 species: *''
Anacardium amapaense ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' J.D.Mitch. *''
Anacardium amilcarianum ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' Machado *''
Anacardium brasiliense ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' Barb.Rodr. *''
Anacardium caracolii ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' Mutis ex Alba *'' Anacardium corymbosum'' Barb.Rodr. *''
Anacardium curatellifolium The cashew tree (''Anacardium occidentale'') is a tropical evergreen tree native to South America in the genus ''Anacardium'' that produces the cashew seed and the cashew apple accessory fruit. The tree can grow as tall as , but the dwarf cult ...
'' A.St.-Hil. *''
Anacardium excelsum ''Anacardium excelsum'', the wild cashew or ''espavé'', is a tree in the flowering plant family Anacardiaceae. The tree is common in the tropical and subtropical dry broadleaf forests of Pacific and Atlantic watersheds of Central and South Amer ...
'' L. — Wild cashew *''
Anacardium fruticosum ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' J.Mitch. & S.A.Mori *'' Anacardium giganteum'' (Bertero & Balb. ex Kunth) Skeels — Caja acu, also known as wild cashew, used medicinally *'' Anacardium humile'' Hance ex Engl. *''
Anacardium kuhlmannianum ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' Machado *''
Anacardium microsepalum ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' *''
Anacardium nanum ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' A.St.-Hil. *''
Anacardium negrense ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' Pires & Froes *''
Anacardium occidentale The cashew tree (''Anacardium occidentale'') is a tropical evergreen tree native to South America in the genus ''Anacardium'' that produces the cashew seed and the cashew apple accessory fruit. The tree can grow as tall as , but the dwarf cult ...
'' L.
Cashew The cashew tree (''Anacardium occidentale'') is a tropical evergreen tree native to South America in the genus ''Anacardium'' that produces the cashew seed and the cashew apple accessory fruit. The tree can grow as tall as , but the dwarf cult ...
*''
Anacardium othonianum ''Anacardium othonianum'' is a tree native from the tropical savanna (''cerrado'') region of Brazil, whose fruit is similar to (but smaller than) that of the common cashew tree ('' A. occidentale'') of the Brazilian Northeast. It is locally kno ...
'' Rizzini *''
Anacardium parvifolium ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' Ducke *''
Anacardium rondonianum ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' Machado *''
Anacardium spruceanum ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' Benth. ex Engl. *''
Anacardium tenuifolium ''Anacardium'', the cashews, are a genus of flowering plants in the family Anacardiaceae, native to tropical regions of the Americas. The best known species is ''Anacardium occidentale,'' which is commercially cultivated for its cashew nuts and c ...
'' Ducke


References


External links

Anacardiaceae genera {{Anacardiaceae-stub