bur marigold vs suffrutex

bur marigold and suffrutex both are nouns.

Word	Noun	Adjective	Verb	Adverb
bur marigold	Yes	No	No	No
suffrutex	Yes	No	No	No

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

bur marigold: any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing
suffrutex: low-growing woody shrub or perennial with woody base

Other hypernyms of bur marigold include subshrub.

bur marigold (noun)	suffrutex (noun)
any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing	low-growing woody shrub or perennial with woody base