guayule vs suffrutex

guayule and suffrutex both are nouns.

Word	Noun	Adjective	Verb	Adverb
guayule	Yes	No	No	No
suffrutex	Yes	No	No	No

As nouns, suffrutex is a hypernym of guayule; that is, suffrutex is a word with a broader meaning than guayule:

guayule: much-branched subshrub with silvery leaves and small white flowers of Texas and northern Mexico; cultivated as a source of rubber
suffrutex: low-growing woody shrub or perennial with woody base

Other hypernyms of guayule include subshrub.

guayule (noun)	suffrutex (noun)
much-branched subshrub with silvery leaves and small white flowers of Texas and northern Mexico; cultivated as a source of rubber	low-growing woody shrub or perennial with woody base