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 gray-green leaflets that fold and droop at night or when touched or cooled
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