any of several plants belonging to the genus Impatiens, of the balsam family, esp. I. noli-tangere, bearing pods that, when ripe, burst on being touched, scattering the seeds.
jew·el·weed (jōō'əl-wēd') n. Any of several plants of the genus Impatiens having yellowish spurred flowers and seedpods that dehisce into five valves when mature. Also called balsam, touch-me-not.
sensitive plant n.
A shrubby tropical American plant (Mimosa pudica) having mauve flower heads and bipinnately compound leaves with leaflets and leafstalks that fold and droop when touched. Also called touch-me-not.
Any of various similar plants, such as Cassia nictitans, of eastern and central North America.