Stems 4-angled, 2-3 cm thick. Corolla wheel-shaped, 12.5-40 cm wide, buffcream, lobes long-pointed to ovate and much longer than the tube. [S. nobilis Hook. f.]

Botswana, Kenya, Malawi, Mozambique, S Africa, Tanzania, Zambia, Zimbabwe

Source: Forster, P.; Liddle, D.; Liddle, I. (2002). Hoya. In: Spencer, R.. 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.