Pseudanthistiria heteroclita (Roxb.) Hook.f.

Perennials. Culms 15-50 cm high, erect or geniculate, tufted; nodes glabrous. Leaves lanceolate or linear-lanceolate, 2-6 x 0.1-0.3 cm, acuminate, rounded at base or shallowly cordate, midrib prominent, sparsely hairy. Sheaths keeled. Ligules truncate, fimbriate, membranous. Panicles 5-15 cm long, with loose clusters of spikelets. Sessile spikelets 2-3 in a raceme, linear-oblong, awned, 2-3 mm long; callus bearded with soft, shaggy hairs; lower glume oblong, 2-3 x 1 mm, truncate, subcoriaceous, shortly hispid; upper glume linear-oblong, 2-3 x 0.5 mm, acute, keeled, subcoriaceous, 3-nerved; lower floret wanting; upper floret bisexual; second lemma stipitate 1-2 mm long hyaline base of the awn, awns 15-20 mm long, slender; stamens 3, anthers 1-1.5 mm long; pistil very short. Pedicelled spikelets 1-3 in a raceme, elliptic, 2-3 mm long, awnless; pedicels 0.5-1 mm long; lower glume elliptic, 2-3 x 1 mm, chartaceous, 11-nerved, sparsely hairy; upper glume elliptic, 2-3 x 1 mm, shortly acuminate, chartaceous, 3-nerved, margins hyaline; upper floret empty or male; stamens 3, anthers 1-1.5 mm long.