Lianas, scandent or scrambling. Stems procumbent or prostrate, to 10 m or longer. Branches with aerial roots, 0.5-5 cm wide, glabrous. Leaves elongate, linear-lanceolate, 10-60(-200) × 0.8-4 cm, leathery, base narrowed, margin sharply antrorsely spinulose toward tip and base, sometimes entire in upper part, with scattered spines along midvein abaxially, apex acuminate. Spadices 2-4, racemose, on stout peduncle ca. 5 cm; spathes yellow. Female peduncles 10-15 × 1.4-1.8 cm; spathes to 6 cm. Fruit syncarpous, globose, cylindric, or ovoid, 2.5-11 × 1.5-2 cm, composed of numerous dense drupes; drupes ovoid or irregularly angled with asymmetric edges, 0.5-1 × 0.4-1 cm. Seed cylindric.
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