genus Mutisia vs Compositae

genus Mutisia and Compositae both are nouns.

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

genus Mutisia (noun)	Compositae (noun)
genus of South American shrubs or lianas having large flower heads with feathery pappuses	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia