tick trefoil vs subshrub

tick trefoil and subshrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
tick trefoil	Yes	No	No	No
subshrub	Yes	No	No	No

As nouns, subshrub is a hypernym of tick trefoil; that is, subshrub is a word with a broader meaning than tick trefoil:

tick trefoil: any of various tropical and subtropical plants having trifoliate leaves and rough sticky pod sections or loments
subshrub: low-growing woody shrub or perennial with woody base

Other hypernyms of tick trefoil include suffrutex.

tick trefoil (noun)	subshrub (noun)
any of various tropical and subtropical plants having trifoliate leaves and rough sticky pod sections or loments	low-growing woody shrub or perennial with woody base