Mimosa Linnaeus. Subfamily: Caesalpinoideae. clade: Mimosoid clade.
A genus of about 500 species, herbs, shrubs, trees, and vines, of tropical, subtropical, and warm temperate areas, especially America. Barneby (1991) and Beard (1963) argue that there are no characters which serve to separate Schrankia from Mimosa.
ID notes:Unmistakable in our flora for its bipinnate leaves, with tiny (2-4 mm long) leaflets, responding to touch by closing.