family Asteraceae vs Onopordum

family Asteraceae and Onopordum both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Asteraceae	Yes	No	No	No
Onopordum	Yes	No	No	No

family Asteraceae (noun)	Onopordum (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	a genus of Eurasian herbs of the family Compositae with prickly foliage and large purplish flowers