Liana. Leaves coriaceous, yellowish-brown when dry, elliptic, up to 20 cm long, 8 cm wide, but mostly short, upper surface silky by means of a transverse striping by densely set fibres; secondary nerves straight, joining at a conspicuous distance before the margin, tertiary nerves reticulate below. ♂ Inflorescences axillary, branching once, spikes about 2-3 cm long, 4 mm thick; collars bent outward by their upper edges. ♂ Flowers numerous, narrowly obconic, 1½ mm long; sporophyll filiform, 2½ mm long, with only one sporangium. Sterile ♀ flowers 8 to each collar, globose, apiculate. ♀ Inflorescences axillary, not branching; spike 4 cm long; collars densely approximate. ♀ Flowers 4-6 to each collar, ovate-globose, rather obtuse, outer envelop fleshy and fibrous, tube of the inner one not split. Fruits sessile on a much thickened axis, 5-6 cm long, 2 cm thick, ellipsoidal, obtuse, tapering into a basal cushion, shining, but very warty; outer envelop very thick, 5 mm, fleshy, very fibrous, middle one woody, conspicuously ribbed, inner one papery. Seed oblong, 3½ cm long.
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It is like Gnetum gnemon but with small leaves and fruit. It is a climber. The flowering shoots are simple and in the axils of leaves. There are 4-6 flowers at each collar. They are egg shaped. The fruit are 5-6 cm long. The seeds are oblong and 3.5 cm long.
A forest species that occurs in primary and disturbed tropical lowland and hill rainforest. It prefers sites close to a river, but can also be found on moderate slopes and ridges. Found at low elevations up to 300 metres.
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A tropical plant. It grows in lowland rainforest. It grows up to 300 m above sea level.
In rainforests at low altitude, up to 300 m.