1. much-branched subshrub with silvery leaves and small white flowers of Texas and northern Mexico; cultivated as a source of rubber; [syn: guayule, Parthenium argentatum]
WordNet (r) 3.0 (2006):
Parthenium argentatum
n 1: much-branched subshrub with silvery leaves and small white
flowers of Texas and northern Mexico; cultivated as a
source of rubber [syn: guayule, Parthenium argentatum]