wild buckwheats

Noun

wild buckwheat (usually uncountable, plural wild buckwheats)

1. (US, usually) Any plant in the genus Eriogonum of wild buckwheats, in the knotweed or buckwheat family (Polygonaceae), as is true buckwheat (Fagopyrum esculentum).
2. (usually) Many other plants of the family Polygonaceae;
3. (usually) Tartary buckwheat (Fagopyrum tataricum), cultivated in the Himalayas;
4. (usually) tall buckwheat (Fagopyrum cymosum, syns. Fagopyrum acutatum, Fagopyrum dibotrys), cultivated for medicinal use and as animal fodder;
5. (usually) Many plants of genus Eriogonum, of North America;
6. (usually) Black bindweed, of species Fallopia convolvulus.