Bidens bipinnata vs sticktight

Bidens bipinnata and sticktight both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bidens bipinnata	Yes	No	No	No
sticktight	Yes	No	No	No

As nouns, sticktight is a hypernym of Bidens bipinnata; that is, sticktight is a word with a broader meaning than Bidens bipinnata:

Bidens bipinnata: common bur marigold of the eastern United States
sticktight: any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing

Other hypernyms of Bidens bipinnata include beggar's-ticks, beggar-ticks, bur marigold, burr marigold.

Bidens bipinnata (noun)	sticktight (noun)
common bur marigold of the eastern United States	parasitic on especially the heads of chickens
	any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing