Adenium obesum (Forssk.) Roem. & Schult.; portion of stem. Donated to Kew by Livingstone's Expedition in 1860. Very toxic. Label reads: "The stem is powdered and kept in hollow reeds. When required it is mixed with gall and other substances, and applied to the arrows. Plant used by the Manganja's Shire Valley, to poison their arrows. Jan'y 1859 Zambesi Expedition. When they kill certain kinds of serpents they mix the gall and this powder and perhaps other substances and apply it to the arrow head below the barb. When an animal is killed with it almost half of the flesh is destroyed".