family Compositae vs compass flower

family Compositae and compass flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Compositae	Yes	No	No	No
compass flower	Yes	No	No	No

family Compositae (noun)	compass flower (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	any of several plants having leaves so arranged on the axis as to indicate the cardinal points of the compass