Perennial, sometimes woody at the base; Leaves decussate, ovate, elliptic to lanceolate, on either side with 5-12 teeth, those of the main stem 1½-4½ by ½-2 cm, (often bulbous-based-) hairy; Flowers scattered, erect, then nodding. Sepals c. 0.6-0.8 by 0.5 mm, glabrous, coriaceous in fruit. Petals c. 1¼- 1½ mm, red to brown-red, the midrib dorsally pubescent. Stamens 8; Panicle 10-20 by 5-10 cm, hairy. Fruit ellipsoid-globose, c. 1-2 by 0.8-1.2 mm, glabrous or appressedly hairy at apex, the 8 longitudinal ribs more or less alternating with 8 rows of 3-4 blunt spiny tubercles.
Asia-Tropical: New Guinea present, Carolines present, Micronesia present, Misool I present, Northern part of Australia present, Palau Is present
Northern part of Australia, Micronesia (Carolines: Palau Is.), and Malesia: New Guinea and Misool I..