Adenium obesum (Forsk.) Roem. & Schult.

Adenium obesum (Forssk.) Roem. & Schult. Syst. Nat. iv: 411 (1819). Flora of Saudi Arabia, Jizan.

Adenium arabicum Balf. f.

Shrub, erect, up to 2.5 m tall, often flowering when the plant is leafless. Stems grossly swollen and succulent, bark pruple brown, smooth. Leaves spirally arranged, sessile, obovate-oblong, apex mucronate and botuse to rounded, gradually narrowed to the base, pubescent or glabrous. Flowers red or pink in terminal cymes. Calyx pubescent, 0.5-1cm long. Corolla large, pubescent outside, 1.5-4 cm long. Fruit pod like capsule, 10 cm long. Seeds woolly.
Specimen examined: Jabal Fayfa, 7-5-1992, 970 (KSU), Alfarhan & J. Thomas; Al Aridha, 22-2-2000, 11890 (KSU), Turki, M. Varghese & Swarup.