Twiner. Leaves with blade of one type; orbicular, not stem-clasping, 0.7-1.4 cm long, 0.7-1 cm wide, glabrous,mealy-white. Flowers 3-4 mm long, 2-3 mm wide; corolla white.
Australia, New Guinea
D. bengalensis Colebr. from Asia, Indochina and Malesia is a twiner. Leaves with blade of one type; oblanceolate, not stem-clasping, 2-3 cm long, 0.4-0.6 cm wide, grey-green, glabrous, not mealy. Flowers 4.5-5 mm long, about 4 mm wide; corolla white to yellow-cream.
D. hirsuta (Blume) Decne. from Malesia and Melanesia is a twiner. Leaves with blade of one type; ovate, not stem-clasping, 1.5-2.5 cm long, 1-1.5 cm wide, green to green-purple, densely rough-hairy, not mealy. Flowers 8-9 mm long, 4.5-5 mm wide; corolla pink. [Leptostemma hirsuta Blume]
D. imbricata (Blume) Steud. from Malesia and Melanesia is a twiner. Leaves with blade of one type; convex-orbicular, stem-clasping, 1.8-2 cm long, 2-2.5 cm wide, grey-green, glabrous, not mealy. Flowers 4.5-5 mm long, 3.5-4 mm wide; corolla cream-yellow. [Conchophyllum imbricatum Blume]
D. major (Vahl) Merr., Skull and Bones, from Australia and Malesia is a twiner. Leaves with blade of 2 types: either flattenedorbicular, not stem-clasping, 2.5-2.7 cm long,1.6-1.8 cm wide, pruinose, glabrous, not mealy; or pitcher-like, 8-10 cm long, 3-4 cm wide. Flowers 3-4 mm long, 2.5-3 mm wide; corolla cream. [Collyris major Vahl, Dischidia rafflesiana Wall.]
D. ovata Benth. from Australia and New Guinea is a twiner. Leaves with blade of one type; ovate, not stem-clasping, 2-5 cm long, 0.5-3.5 cm wide, with pale green to brownish cream mottling on the upper surface, glabrous, not mealy. Flowers 5-6 mm long, 3.5-4 mm wide; corolla white.
Source: (2002). Dischidia. 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.