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Densely leafy plants; young internodes quadrangular, mostly 2-5 cm long; basal cataphylls 1 pair ca. 0.2 cm above axil, inconspicuous. Petiole 0.2-0.3 cm long; blade mostly elliptical to obovate, to 3 x 1.5 cm, with rounded to mucronate or emarginate apex, base acute, tapering into indistinct petiole; venation of 3 conspicuous palmate veins. Monoecious. Inflorescence solitary or clustered at older nodes, ca. 2 cm at anthesis, elongation to 4.5 cm or less; peduncle simple, 0.1-0.2 cm long, fertile internodes (2)3-6(7); flowers 3 per fertile bract, in 3 series, apical one male, 2 lateral ones female. Fruit ovoid, 0.4 x 0.3 cm, with smooth or warty upper surface, perianth segments erect.
Branches somewhat nodose, the branchlets sharply 4-angled. Cataphylls a single basal pair, 2 mm. long. Leaves obovate, often emarginate, cuneate to the base, coriaceous, distinctly 3-5-nerved, to 3.5 cm. long, 2 cm. broad; petioles about 2-4 mm. long. Spikes solitary, subsessile, 3-4-jointed, 5 mm. long, when fruiting to 1.5 cm. long; joints 4-6-flowered in 4 series. Fruits ovoid, tuberculate, 3-4 mm. long, the tepals nearly erect.
