Fagopyrum
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The genus Fagopyrum is in the flowering plant family Polygonaceae. It includes some important food plants, such as F. esculentum (buckwheat) and F. tataricum (Tartary buckwheat). The genus is native to the Indian subcontinent, much of Indochina, and central and southeastern China. Species have been widely introduced elsewhere, throughout the Holarctic and parts of Africa and South America.<ref name=POWO_331606-2/>
DescriptionEdit
Fagopyrum contains 15 to 16 species of plants, including two important crop plants, buckwheat (Fagopyrum esculentum), and Fagopyrum tataricum (Tartary buckwheat). The two have similar uses, and are classed as pseudocereals, because they are used in the same way as cereals but do not belong to the grass family Poaceae.
Within Fagopyrum, the cultivated species are in the Cymosum group, including Fagopyrum cymosum or perennial buckwheat,<ref>PFAF Plant Database: Fagopyrum dibotrys (Perennial Buckwheat)</ref> the artificial hybrid Fagopyrum × giganteum,<ref name=ChenHuanLiYang18>Template:Cite journal</ref> and Fagopyrum homotropicum.<ref>Template:Cite journal</ref>
This genus has five-petaled flowers arranged in a compound raceme that produces laterally flowered cymose clusters.<ref>Template:Cite journal</ref>
TaxonomyEdit
The genus Fagopyrum was first published by Philip Miller in 1754.<ref name=IPNI_331606-2>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> It is placed in the tribe Fagopyreae (as the only genus) in the subfamily Polygonoideae.<ref name=SchuReveBaylKron15>Template:Citation</ref>
SpeciesEdit
Template:As of, Plants of the World Online accepted the following species:<ref name=POWO_331606-2/> Template:Div col
- Fagopyrum callianthum Ohnishi
- Fagopyrum capillatum Ohnishi
- Fagopyrum caudatum (Sam.) A.J.Li
- Fagopyrum crispatifolium J.L.Liu
- Fagopyrum cymosum (Trevir.) Meisn.
- Fagopyrum densivillosum J.L.Liu
- Fagopyrum esculentum Moench
- Fagopyrum gilesii (Hemsl.) Hedberg
- Fagopyrum gracilipedoides Ohsako & Ohnishi
- Fagopyrum gracilipes (Hemsl.) Dammer
- Fagopyrum homotropicum Ohnishi
- Fagopyrum jinshaense Ohsako & Ohnishi
- Fagopyrum kashmirianum Munshi
- Fagopyrum × kuntzei Beck
- Fagopyrum leptopodum (Diels) Hedberg
- Fagopyrum lineare (Sam.) Haraldson
- Fagopyrum longzhoushanense J.R.Shao
- Fagopyrum luojishanense J.R.Shao
- Fagopyrum macrocarpum Ohsako & Ohnishi
- Fagopyrum pleioramosum Ohnishi
- Fagopyrum pugense T.Yu
- Fagopyrum qiangcai D.Q.Bai
- Fagopyrum rubrifolium Ohsako & Ohnishi
- Fagopyrum statice (H.Lév.) Gross
- Fagopyrum tataricum (L.) Gaertn.
- Fagopyrum tibeticum (A.J.Li) Adr.Sanchez & Jan.M.Burke
- Fagopyrum urophyllum (Bureau & Franch.) Gross
- Fagopyrum wenchuanense J.R.Shao
- Fagopyrum zuogongense Q.F.Chen