Wiry twiner to several metres long, latex white. Leaf blade elliptic to ovate, succulent, flat, up to 20 cm long and 8 cm wide, green, silver flecking absent, hairless; margins entire, not recurved, same colour as rest of blade; venation palminerved, with 5 veins from base; base rounded; tip acute to acuminate. Umbel negatively geotropic, convex, of 10-25 flowers in tight ball. Corolla 15-16 mm wide, green-yellow; lobes ovate, 7-8 mm long, 5-6 mm wide, more or less flat to strongly reflexed, shortly papillose. Corona purple-red.

Java

Leaf blade 5-nerved from base; corona purple-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.