impatiens
Im*pa"ti*ens, n. Etym: [L., impatient.] (Bot.) Defn: A genus of plants, several species of which have very beautiful flowers; -- so called because the elastic capsules burst when touched, and scatter the seeds with considerable force. Called also touch-me-not, jewelweed, and snapweed. I. Balsamina (sometimes called lady's slipper) is the common garden balsam.