Vegetative parts: plants tufted, 0.3–1 m tall, basal diameter 0.05–0.3 m, crown diameter 0.3–0.6 m, compact, without spreading rhizomes or stolons or with rhizomes. Rhizome very short with culms aggregated at base, 5–10 mm in diam., culms 1–5 mm apart. Fertile culms unbranched, round (not compressed) or compressed or compressed after pressing, distinctly hollow, smooth (occasionally sulcate - could be due to pressing), olivaceous or speckled golden, 0.3–0.9 m tall, diameter at base 1–2 mm, diameter at apex 0.4–1.3 mm. Sheaths persistent, with no abscission line, closely convoluted, 20–35 mm long, brown to red-brown or grey, occasionally straw-coloured, rarely olivacious; variously speckled, apical margins narrowly membranous, hyaline shoulders absent or small, rounded, hyaline shoulder 0.1 of sheath body length, apex, excluding the membranous lobes, acute. Sheath-mucro penicellate, straight and erect, 3–5 mm long, straw-coloured margins, broadening at distal end. Males: male inflorescence with 2–5 spikelets or 6–10 spikelets, paniculate, 20–60 mm long, 4–15 mm wide. Male inflorescence spathes persistent, taller than spikelets, cartilaginous, size variable; marginally to much taller than spikelets. Male flowers in spikelets. Male spikelets erect on stiff pedicels or sessile, elliptical or ovate or orbicular, apex rounded or obtuse, 5–8 mm, 4–6 mm, with 20–30 flowers, pedicels absent ie spikelets sessile or shorter than the spikelets or as long as the spikelets or longer than the spikelets, terete or angular. Male bracts taller than flowers, 3–5 mm long, oblong or ovate, rounded or obtuse or acute, cartilaginous, bract upper margin like body of bract, bract awn minute or absent, Dark red-brown, tending to darken at tips. Striking. Male flower 3–4 mm long. Male tepals sepals and petals the same rigidity, chartaceous or cartilaginous, oblong (odd outer tepal broadly elliptical), inner and outer tepals the same length. Male outer lateral tepals keeled or winged (tepals deep red-brown, keels white), glabrous. Anthers 2–2.5 mm long, exserted from the flowers. Pistillode absent. Females: female inflorescence linear or racemose, 15–100 mm long, 5–10 mm wide, with 2–5 spikelets or 6–10 spikelets. Female spathes longer than the spikelets, not obscuring spikelet, persistent, cartilaginous. Female spikelet sessile or pedicel sparsely branching, oblong or elliptical or obovate, apex rounded or obtuse or acute, 6–10 mm long, with 1 flowers, with 10–15 sterile bracts. Female bracts taller than flowers, erect, 4–6 mm long, oblong, acuminate, cartilaginous, apical margin like rest of bract, same as body of bract or darker than body of bract, awn minute or absent. Female flower 4.5–5 mm long, with a fleshy pedicel. Female tepals chartaceous or membranous, glabrous and smooth, smaller than nut and not obscuring the nut surface, midrib flush with the tepal body, apices acute or acuminate, inner and outer whorls the same length. Female outer lateral tepals like other tepals, 0.5–2 mm long. Female odd outer tepal ovate or obovate, 0.5–2 mm long. Female inner tepals ovate or obovate, 0.5–2 mm long. Staminodes absent. Styles plumose, white, 2. Style bases fused to form a pillar. Ovary with 1 locule, indehiscent. Fruit: indehiscent fruits with a hard woody ovary wall. Perianth presence on fruits persistent, membranous, shorter than nut. Nut cap with several rows of ridges (ridges tuberculate), wall tuberculate, (3.25–)3.81(–4.67) mm long, (2.25–)2.81(–3.33) mm diam., shape in side view elliptical or oblong (rectangular i.e. barrel-shaped), shape in top view round in cross section, brown. Elaiosome present, green or olivacous, 1–1.5 mm long, less than half as long as nut.