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Polygonaceae

Polygonaceae

Scientific classification

Kingdom:	Plantae
Division:	Magnoliophyta
Class:	Magnoliopsida
Order:	Polygonales
Family:	Polygonaceae

Genera

Afrobrunnichia[?]
Antigonon[?]
Aristocapsa[?]
Atraphaxis[?]
Brunnichia[?]
Calligonum[?]
Centrostegia[?]
Chorizanthe[?]
Coccoloba[?]
Dedeckera[?]
Dodecahema[?]
Emex[?]
Eriogonum[?]
Fagopyrum[?]
Fallopia[?]
Gilmania[?]
Goodmania[?]
Gymnopodium[?]
Harfordia[?]
Hollisteria[?]
Knorringia[?]
Koenigia[?]
Lastarriaea[?]
Leptogonum[?]
Muconea[?]
Muehlenbeckia[?]
Nemacaulis[?]
Neomillspaughia[?]
Oxygonum[?]
Oxyria[?]
Oxytheca[?]
Parapteropyrum[?]
Persicaria
Podopterus[?]
Polygonella[?]
Polygonum[?]
Pteropyrum[?]
Pterostegia[?]
Rheum[?]
Rumex[?]
Ruprechtia[?]
Stenogonum[?]
Symmeria[?]
Systenotheca[?]
Triplaris[?]
Ref: Families of Flowering Plants (http://biodiversity.uno.edu/delta/angio/www/polygona.htm)
as of 2002-11-15

This family contains buckwheat, sorrel (but not wood sorrel[?]), rhubarb, and knotgrass[?]. It is named for the shape of the seed; that of rhubarb, for example, has a triangular cross-section.

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