Euphorbia tirucalli L.:
Family: Euphorbiaceae Genus: Euphorbia
Species: tirucalli, insulana
Common names: English: Indian tree spurge, Milk hedge, Petroleum-plant, aveloz, milk bush, pencil tree, Sehund, Thohra, and Konpal-sehnd.
E. tirucalli is a succulent cactus-like plant growing to a height of about 10 m. It was introduced from Africa as a garden plant; and it is now naturalized in tropical areas and rainforests in the Amazon, Madagascar, and South Africa. The main trunk and branches are woody and brown, but the younger branches are green and cylindrical, looking like many pencils and earning the plant its common name - pencil tree.
Leaves are minute and are shed early, and the function of the leaves is taken over by the green branches.