action plant action plant /ˈækʃən plænt/

noun

1. 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  ( action plant , humble plant , live-and-die , Mimosa pudica , sensitive plant , shame plant , touch-me-not )
   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