Polygonum

[pә'ligәnәm]

Definition

(noun.) diverse genus of herbs or woody subshrubs of north temperate regions.

Edited by Augustus--From WordNet

Definition

(n.) A genus of plants embracing a large number of species, including bistort, knotweed, smartweed, etc.

Edited by Astor

Definition

n. a kind of plant with many joints as the bistort knotweed &c.—n.pl. Polygonā′ce?/span> an order of apetalous plants mostly herbs—the buckwheat family.

Edited by Darrell