sensitive plantsensitive plant
a tropical American plant (Mimosa pudica) of the mimosa family, with a spiny stem, minute, purplish flowers in spherical clusters, and leaflets that fold and leafstalks that droop at the slightest touch
- A shrubby plant (Mimosa pudica) in the pea family, native to tropical America, having mauve flower heads and bipinnately compound leaves with leaflets that fold and droop when touched. Also called touch-me-not.
- Any of various similar plants, such as Chamaecrista nictitans.