Wiry twiner to several metres long, latex clear. Leaf blade elliptic or ovate, leathery to fleshy, often undulate or tightly curled, up to 8 cm long and 4 cm wide, green (unless variegated), silver flecking absent, hairless; margins entire, not recurved, same colour as rest of blade; venation penninerved, with 5 or 6 lateral veins but rather obscure; base cordate; tip acute or acuminate. Umbel negatively geotropic, convex, of 10-30 flowers in tight ball. Corolla 13-15 mm wide, pink; lobes oblongovate, 6-7 mm long, 4-4.5 mm wide, more or less flat, shortly papillose. Corona pink with pink-red centre.
Origin unknown, probably China
Leaf blade undulate or curled, flowers 13-15 mm wide. This species is closely allied to H. carnosa and may only represent cultivated forms of that species.
A number of cultivars based on variegation and leaf curling are recognised.
Source: (2002). Hoya. 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.
Leaves tightly curled, green all over.
Leaves undulate, green all over. ['Krinkle Curl']
Leaves tightly curled, green with central yellow variegation. ['Lauralei']
Leaves tightly curled, green with yellow-pink edges.