touch-me-not vs genus Mimosa

touch-me-not and genus Mimosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
touch-me-not	Yes	No	No	No
genus Mimosa	Yes	No	No	No

touch-me-not (noun)	genus Mimosa (noun)
North American annual plant with usually yellow or orange flowers; grows chiefly on wet rather acid soil	genus of spiny woody shrubs or trees; named for their apparent imitation of animal sensitivity to light and heat and movement
Mediterranean vine having oblong fruit that when ripe expels its seeds and juice violently when touched
prostrate or semi-erect subshrub of tropical America, and Australia; heavily armed with recurved thorns and having sensitive soft grey-green leaflets that fold and droop at night or when touched or cooled