Succulent subshrub to small tree up to 5 m high, stems swollen at base and up to 1(2) m wide; latex clear to white. Leaves sessile to subsessile; blade linear to obovate, 3-17 cm long, 0.2-5 cm wide; tip acute, long-pointed or mucronate; base cuneate to rounded. Flowers 2-4.5 cm wide; corolla pale pink to red, rarely white; lobes obovate to suborbicular.
Tropical Africa, Arabian Peninsula
Source: (2002). Apocynaceae. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.