bristly sarsparilla vs subshrub

bristly sarsparilla and subshrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
bristly sarsparilla	Yes	No	No	No
subshrub	Yes	No	No	No

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

bristly sarsparilla: bristly herb of eastern and central North America having black fruit and medicinal bark
subshrub: low-growing woody shrub or perennial with woody base

Other hypernyms of bristly sarsparilla include suffrutex.

bristly sarsparilla (noun)	subshrub (noun)
bristly herb of eastern and central North America having black fruit and medicinal bark	low-growing woody shrub or perennial with woody base