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|Noun||1.||humble plant - 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|
genus Mimosa - genus of spiny woody shrubs or trees; named for their apparent imitation of animal sensitivity to light and heat and movement
mimosa - any of various tropical shrubs or trees of the genus Mimosa having usually yellow flowers and compound leaves