touch-me-not

noun

1. any of several plants belonging to the genus Impatiens, of the balsam family, especially I. noli-tangere, bearing pods that, when ripe, burst on being touched, scattering the seeds.

noun

1. any of several balsaminaceous plants of the genus Impatiens, esp I. noli-me-tangere, having yellow spurred flowers and seed pods that burst open at a touch when ripeAlso called: noli-me-tangere