A straggling perennial with long-trailing culms, rooting at the nodes, the very slender rhizome dying off behind. Culms filiform, many-noded, the internodes hardly over 9 lin. long, terete, smooth, glabrous, long-exserted. Leaf-sheaths tight, up to 4 lin. long, finely striate, quite glabrous and smooth; ligule reduced to a narrow membranous rim; blades narrowly ovate to lanceolate from a rounded clasping base, acute or acutely acuminate, 4–9 lin. by 2–3 lin., flat, firm, obliquely spreading, quite glabrous, smooth, midrib and primary lateral nerves (2–3 on each side) very fine with 3–4 indistinct secondary nerves in the intervals, connected by cross-veins. Panicles very shortly exserted, erect, ovate in outline, from 6–9 lin. long and 4–5 lin. wide, rigidly and moderately open, divided to the second, rarely the third degree; common axis slightly angular, quite smooth, internodes irregularly short and long, 1–2 lin. long; primary branches spreading at 45°–60°, bearing from near the base about 6 solitary spikelets; branches and pedicels fine, terete, smooth and glabrous, the pedicels from less than 1/2–1 lin. long. Spikelets elliptic-oblong, obtuse, almost 1 lin. long, somewhat plump, quite smooth. Glumes thinly membranous, finely but distinctly nerved, unequal; lower broad-ovate, subacute, over half to two-thirds the length of the spikelet, 3-nerved; upper corresponding to the spikelet in length and outline, 5-nerved. Lower floret ♂ (?): valve like the upper glume; valvule slightly shorter, oblong, with minutely scaberulous keels. Upper floret hermaphrodite, broadly elliptic-oblong in outline, obtuse, 3/4 lin. long, polished, white; valve and valvule subcoriaceous.
