Delicate, percurrent, much branched plants; leaf-bearing internodes 2-5 cm long, orange brown, terete and ca. 0.1 cm thick below when leaf-bearing, expanding somewhat and slightly keeled above; basal cataphylls 1-5. Leaf blade thin, narrowly elliptical, mostly to 6 x 1.5 cm, apex rounded, with long, slenderly tapering base; venation inconspicuous, pinnate, often with 2 strong basal veins. Dioecious; occasional bisexual plant and possibly some unisexual inflorescences. Inflorescence peduncle mostly simple but sometimes with to 2 pairs of sterile cataphylls, 0.1-0.3 cm long; fertile internodes 2 or 3. Male inflorescence to 1.5 cm long; flowers to 18 per fertile bract, 3-seriate. Female inflorescence to 2 cm long in fruit; flowers mostly 3 per fertile bract. Fruit globose, 0.3 cm in diameter, perianth segments closed.