touch-me-not
/ˈtʌtʃmiːˌnɒt/noun
1- a plant of the balsam family, whose ripe seed capsules open explosively when touched, scattering seeds over some distance凤仙花。
1.1
- Genus Impatiens, family Balsaminaceae: several species, in particular the yellow balsam (I. noli-tangere).凤仙花属, 凤仙花科：数种, 尤指黄凤仙花（拉丁名I. noli-tangere）。