composite plant vs family Compositae

composite plant and family Compositae both are nouns.

Word	Noun	Adjective	Verb	Adverb
composite plant	Yes	No	No	No
family Compositae	Yes	No	No	No

composite plant (noun)	family Compositae (noun)
considered the most highly evolved dicotyledonous plants, characterized by florets arranged in dense heads that resemble single flowers	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia