genus Enceliopsis vs Compositae

genus Enceliopsis and Compositae both are nouns.

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

genus Enceliopsis (noun)	Compositae (noun)
small genus of xerophytic herbs of southwestern United States	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia