family Compositae vs Senecio

family Compositae and Senecio both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Compositae	Yes	No	No	No
Senecio	Yes	No	No	No

family Compositae (noun)	Senecio (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weeds