Compositae vs genus Dimorphotheca

Compositae and genus Dimorphotheca both are nouns.

Word	Noun	Adjective	Verb	Adverb
Compositae	Yes	No	No	No
genus Dimorphotheca	Yes	No	No	No

Compositae (noun)	genus Dimorphotheca (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	South African herbs or subshrubs with usually yellow flowers