The genus Fagopyrum in the flowering plant family Polygonaceae contains 15 to 16 species of plants, including two important crop plants, buckwheat or Japanese buckwheat, Fagopyrum esculentum, and Tartary buckwheat, Fagopyrum tataricum. They have similar uses, and are classed as pseudocereals, i.e. 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, with F. cymosum L. (perennial buckwheat), F. giganteum and F. homotropicum. This genus has five-petaled flowers arranged in a compound raceme that produces laterally flowered cymose clusters.
The name Fagopyrum is derived from the Greek words fagos, beech, and pyron, wheat.
- "The Plant List: A Working List of all Plant Species".
- T. Sharma, S. Jana (2002). "Species relationships in Fagopyrum revealed by PCR-based DNA fingerprinting". Theoretical and Applied Genetics 105 (2-3): 306–312. doi:10.1007/s00122-002-0938-9. PMID 12582533.
- M. Quinet, V. Cawoy, I Lefevre, F. Van Miegroet, A-L. Jaquemart, J.-M. Kinet. (2004). "Inflorescence structure and control of flowering time and duration by light in buckwheat (Fagopyrum esculentum Moench)". Journal of Experimental Botany 55 (402): 1509–1517. doi:10.1093/jxb/erh164. PMID 15208346.
- Jepson Manual Treatment
- USDA Plants Profile
- Flora of North America Profile
- Fagopyrum Journal Archive
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