They are found in the Compoeitae (Cickoriaceae), Campanulaceae, Papaveraceae, Loheliaceae, Papayaceae, in some Aroideae and Musaceae, and in Euphorbiaceae (Manihot, Ilevea).
It produces Indian corn and other cereals and potatoes in the colder regions, and tropical fruits, sweet potatoes and mandioca (Jatropha manihot, L.) in the low tropical valleys.
" Ceara " or Manigoba rubber is derived from species of Manihot, chiefly Manihot Glaziovii, a native of S.
The plantations of Manihot established in E.
Other species of Manihot are also under trial, and some give promise of good results, especially M.