1) Mexican rubber plant 2) Parthenium argentatum 3) Rubber 4) Subshrub 5) Suffrutex 
rubber-containing desert shrub of the family Asteraceae, native to the north-central plateau of Mexico and the Big Bend area of Texas. It has small ...
[n] - much-branched subshrub with silvery leaves and small white flowers of Texas and northern Mexico
a composite shrub, Parthenium argentatum, of the southwestern U.S. and Mexico, yielding a form of rubber. · the rubber obtained from this plant.