Indian beet vs suffrutex

Indian beet and suffrutex both are nouns.

Word	Noun	Adjective	Verb	Adverb
Indian beet	Yes	No	No	No
suffrutex	Yes	No	No	No

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

Indian beet: stout perennial of eastern and central North America having palmate leaves and showy racemose blue flowers
suffrutex: low-growing woody shrub or perennial with woody base

Other hypernyms of Indian beet include subshrub.

Indian beet (noun)	suffrutex (noun)
stout perennial of eastern and central North America having palmate leaves and showy racemose blue flowers	low-growing woody shrub or perennial with woody base