Compositae vs genus Felicia

Compositae and genus Felicia both are nouns.

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

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