Glabrous. Leaves opposite; lamina ovate to nearly orbicular, 2-4 by 1.8-2.5 cm, shortly cuneate at the base to a petiole 2-4 mm long, rounded at the apex, glossy above, dull below; venation pinnate with only the midrib faintly visible. Inflorescences at the nodes, pedunculate 4-rayed umbels of triads with the central flowers sessile; peduncle 19-26 mm long, very slender; rays 3-4 mm long, spreading, thicker than the peduncle; pedicels of the lateral flowers c. 2 mm long; bracts with complex dorsal protuberances.
Asia-Tropical: New Guinea present
Malesia: New Guinea, known only from Mt Albert Edward in Papua New Guinea.