Compositae vs genus Madia

Compositae and genus Madia both are nouns.

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

Compositae (noun)	genus Madia (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of sticky herbs with yellow flowers open in morning or evening but closed in bright light