(n) 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, Syn. Fagopyrum esculentum, Polygonum fagopyrum
prop. n. a genus of plants of the buckwheat family, including the buckwheat Fagopyrum esculentum; in some classifications included in the genus Polygonum. Syn. -- genus Fagopyrum. [ WordNet 1.5 +PJC ]