Glabrous except for the inflorescence, calyx and usually the corolla shortly brown tomentose. Leaves opposite or rarely scattered ternate; lamina elliptic to ovate or almost orbicular, 5—10(—15) by 3.5—7(—12) cm, cuneate at the base to a petiole 8-20 mm long, rounded or obtuse at the apex, dull or slightly lustrous above, dull and usually paler below; venation pinnate with the midrib and the main laterals distinct on both sides and the midrib prominent below. Inflorescencess at the nodes, a raceme with usually 3 whorls of triads; axis 15-35 mm long, usually 2-3 mm thick, flowerless in the lower (8-)12-20 mm; triads at the first node mostly 8-12, at the second node mostly 8-10, at the third node (4-)6-8(-10); peduncles of the triads 5-8 mm long; pedicels of the lateral flowers c. 2 mm long.
Asia-Tropical: New Guinea present, Cape York Peninsula present
Australia (Cape York Peninsula); Malesia: New Guinea.