Hypertext Webster Gateway: "Rumex"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Polygonaceous \Pol`y*go*na"ceous\, a. [See {Polygonum}.] (Bot.)
Of or pertaining to a natural order of apetalous plants
({Polygonace[ae]}), of which the knotweeds (species of
{Polygonum}) are the type, and which includes also the docks
({Rumex}), the buckwheat, rhubarb, sea grape ({Coccoloba}),
and several other genera.
From WordNet (r) 1.7 (wn)
Rumex
n : docks: coarse herbs and shrubs mainly native to north
temperate regions [syn: {Rumex}, {genus Rumex}]
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