'Polygonum' definitions:
Definition of 'Polygonum'
(from WordNet)
noun
Diverse genus of herbs or woody subshrubs of north temperate regions [syn: Polygonum, genus Polygonum]
Definition of 'Polygonum'
From: GCIDE
- Polygonum \Po*lyg"o*num\, n. [NL., fr. Gr. ? a kind of plant; poly`s many + go`ny the knee, a joint of a plant. So called in allusion to the numerous joints.] (Bot.) A genus of plants embracing a large number of species, including bistort, knotweed, smartweed, etc. [1913 Webster]