Description: Tabernaemontana are generally large shrubs or small trees native to the tropical rain forests of Central and South America, Africa, and Australia. Several species have been found to contain indole alkaloids including ibogaine and voacangine. (Apocynaceae, Tabernaemontana (Ervatamia; Peschiera), coffeoides; crassa; dichotoma; orientalis; sananho)