1. A member of the genus Fagopyrum; annual Asian plant with clusters of small pinkish white flowers and small edible triangular seeds which are used whole or ground into flour
   "Polygonum fagopyrum flour is used to make traditional soba noodles";
   - buckwheat, Fagopyrum esculentum

Type of: herb, herbaceous plant

Part of: genus Polygonum, Polygonum

Encyclopedia: Polygonum fagopyrum