Vegetative parts: plants clumped or mat-Forming, 0.3-1 m tall, basal diameter 0.5-2 m, crown diameter 0.5-2 m, with rhizomes. Rhizome spreading, unbranched or sparsely branched, culms evenly spaced, 5-10 mm in diam., culms 1-20 mm apart. Fertile culms unbranched, solid or with a small central cavity, smooth, green, 0.3-1 m tall, diameter at base 2-2.6 mm, diameter at apex 1.5-2 mm. Sheaths closely convoluted, 20-50 mm long, margins ciliate, red-brown in upper parts, sheath coloured in lower parts., upper 1/3 in colour and texture abruptly different from the base, and soon decaying, apical margins narrowly membranous, hyaline shoulders absent, apex, excluding the membranous lobes, acute or obtuse. Sheath-mucro absent or penicellate, straight and erect, 3-6 mm long, Fimbriate, red-brown upper portion soon decaying. Males: male inflorescence with 6-10 spikelets or 11-20 spikelets or 21-50 spikelets, paniculate, 40-70 mm long, 10-25 mm wide. Male inflorescence spathes caducous, taller than spikelets, cartilaginous, dark shiny brown, very faintly striated. Male flowers in spikelets or not aggregated into spikelets (this is hard to tell, since the flowers are aggregated at the ends of branches, but there are no superfluous empty bracts at the base of these aggregations). Male spikelets erect on stiff pedicels or sessile, undifferentiated, apex undifferentiated, 5-10 mm, 3-6 mm, with 5-20 flowers, pedicels absent ie spikelets sessile or shorter than the spikelets, terete or angular. Male bracts taller than flowers, 4-8 mm long, linear, acute or acuminate, membranous, bract upper margin like body of bract, bract awn minute or absent, pale straw-coloured to yellow. Male flower 4-5 mm long. Male tepals sepals and petals the same rigidity, membranous, linear or oblong, inner and outer tepals the same length. Male outer lateral tepals as other tepals, glabrous. Anthers 2-3 mm long, included in the flowers. Females: female inflorescence linear, 30-100 mm long, 7-20 mm wide, with 2-5 spikelets. Female spathes longer than the spikelets, obscuring spikelet, persistent, cartilaginous. Female spathellae inconspicuous or absent. Female spikelet sessile, obovate, apex rounded or undifferentiated, 9-12 mm long, with 1-2 flowers, with 5 sterile bracts. Female bracts taller than flowers, erect, 8-15 mm long, ovate, acuminate, cartilaginous, apical margin membranous, paler than body of bract or same as body of bract, margins entire, awn minute or absent. Female flower 1-2 mm long, with a fleshy pedicel, six tepals. Female tepals membranous, glabrous and smooth, smaller than nut and not obscuring the nut surface, midrib flush with the tepal body, margins entire, apices truncate or rounded, inner and outer whorls the same length. Female outer lateral tepals like other tepals, hidden by bracts, or bracts are shorter than flowers, 1-2 mm long. Female odd outer tepal oblong or square, 1-2 mm long. Female inner tepals oblong or square, 1-2 mm long. Styles plumose, white, 2. Style bases free. Ovary with 1 locule, indehiscent. Fruit: indehiscent fruits with a hard woody ovary wall. Perianth presence on fruits persistent, membranous, shorter than nut. Nut apex smooth, without a distinct cap, wall tuberculate, (4.25-)5.31(-5.92) mm long, (3.75-)3.95(-4.25) mm diam., shape in side view obovate or oblong, shape in top view round in cross section, brown, mode of seed release for nutted plants bracts decay. Elaiosome present, olivacous, 1-2 mm long, less than half as long as nut.