wild buckwheat

plural wild buckwheats

1. USuncountableusuallyAny plant in the genus Eriogonum of wild buckwheats, in the knotweed or buckwheat family (Polygonaceae), as is true buckwheat (Fagopyrum esculentum).
2. Other plants related to or resembling buckwheat:
   1. uncountableusuallyMany other plants of the family Polygonaceae;
   2. uncountableusuallyTartary buckwheat (Fagopyrum tataricum), cultivated in the Himalayas;
   3. uncountableusuallytall buckwheat (Fagopyrum cymosum, syns. Fagopyrum acutatum, Fagopyrum dibotrys), cultivated for medicinal use and as animal fodder;
   4. uncountableusuallyMany plants of genus Eriogonum, of North America;
   5. uncountableusuallyBlack bindweed, of species Fallopia convolvulus.