genus Artemisia vs Compositae

genus Artemisia and Compositae both are nouns.

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

genus Artemisia (noun)	Compositae (noun)
usually aromatic shrubs or herbs of north temperate regions and South Africa and western South America: wormwood, sagebrush, mugwort, tarragon	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia