Wiry twiner to several metres long, latex white. Leaf blade oblanceolate to ovate, often irregular, leathery, flat, up to 10 cm long and 4 cm wide, pale-green, silver flecking absent, hairless; margins entire, not recurved, same colour as rest of blade; venation penninerved, with 8 to 10 lateral veins; base cuneate or rounded; tip acuminate. Umbel positively geotropic, convex, of 4-20 flowers in loose ball. Corolla 11-13 mm wide, yellow; lobes oblong-ovate, 6-7 mm long, 4.5-5 mm wide, strongly reflexed, shortly papillose. Corona red.

India

Corolla 11-13 mm wide, yellow; corona red.

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.