Plants c. 5 cm high, c. 30 cm long. Culm internodes c. 1 mm long. Leaves: sheath 3–4 mm long, 3–5-nerved, bearded at mouth with tubercle-based hairs 1–1.5 mm long, often scaberulous on margins; ligule pubescent and minute or glabrous; blade 6.5–9.5 mm long, c. 0.3 mm wide, acute to subobtuse, herbaceous to coriaceous, stiff, 3-nerved, glabrous, partly scaberulous. Panicles 10–13 mm long and wide, glandular. Glumes longer than florets, ovate or oblong, c. 1 mm long, obtuse or truncate, mucronulate, 1-nerved. Lemma oblong, 0.3–0.5 mm long, obtuse or truncate, membranous, strongly 3-nerved. Palea nerveless. Caryopsis ellipsoid to obovoid, 0.2–0.5 mm long, obtuse to subacute, smooth, shiny.
Grows on the steep walls of rocky gorges increvices, in moist, shady sites, under rock overhangs, and on rock ledges withseepage.
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