Subperennial(?) climber, 1-3 m long; stem glabrescent. Tendrils glabrous. Leaves: petiole 1-2 cm long, rough-hairy; blade (ovate-)elliptic to narrowly elliptic or long-triangular, 4-8 by 1-4 cm, both surfaces scabrous, but veins shortly rough-hairy, cystoliths often inconspicuous, base subtruncate or cordate, occasionally short-hastate, margin entire or shallowly sparsely dentate, teeth to 4 mm long. Male inflorescences: finely scabrous or subglabrous; peduncle slender, 1-2 cm long, raceme 0.1-0.5(-1.5) cm long, with up to 10 flowers. Male flowers (incompletely known, mainly from 1 open flower in Kerr 3735, Thailand): pedicel (0.5-)1-2 mm long; corolla 4-5 mm diam.; receptacle-tube campanulate, 1.5-2 mm long and wide, inside curly hairy in upper half, hairs 0.5 mm long or less; sepals 1 mm long, with sparse minute hairs or glabrous, adaxial appendage not apparent; petals ovate, 2 by 1.5 mm, (sub)obtuse, on both sides (papillose) hairy; filaments 0.5 mm long, anthers subcircular in outline, 1 mm diam., thecae curved, connective with few minute hairs; disc subglobose, 1 mm diam., irregularly lobed. Female flowers not seen. Fruit ripening colour not known, 4(-5) by 1-1.5 cm; fruiting pedicel 0.3-1 cm long. Seeds greyish brown, 2.5-4 by 2-2.5 by c. 1 mm.
Home