sensitive plant

Noun

• semi-climbing prickly evergreen shrub of tropical America having compound leaves sensitive to light and touch

• prostrate or semi-erect subshrub of tropical America, and Australia; heavily armed with recurved thorns and having sensitive soft grey-green leaflets that fold and droop at night or when touched or cooled

Related words

• Synonyms: 
  Mimosa sensitiva , touch-me-not , shame plant , live-and-die , humble plant , action plant , Mimosa pudica