Originally: the plant Mimosa pudica which has leaflets that fold together when touched. In later use also: any plant that is able to respond to…

the sensitive plant.

the common Sensitive plant.

A sensitive plant, esp. Mimosa pudica (sensitive plant, n. 1b).

Any of the plants known as noli me tangere (see noli me tangere, n. 3). A sensitive plant (see sensitive plant, n. 1b), esp. Mimosa pudica. rare.

Any of numerous, often thorny, shrubs, small trees, lianas, etc., of the genus Mimosa (family Mimosaceae (Leguminosae)), chiefly native to tropical…

a species of Inga (I. vera).

(see quots.).

A genus of plants allied to the Mimosa (N.O. Leguminosæ), consisting of large shrubs or trees, for the most part native to South America, with red…