.
India to Bangladesh, Sri Lanka: Assam, Bangladesh, India, Sri Lanka as per POWO;
.

Perennials; culms tufted, 60-100 cm high, slender, pinkish. Leaves 10-20 x 0.4-1 cm, lanceolate, cordate at base, glabrous; sheath keeled, covered with tubercled hairs; ligule 4 mm long, membranous. Panicle 10-25 cm long; spathes brown, covered with bulbous based hairs. Racemes clustered. Involucral spikelets 4, 7-9 mm long; glumes covered with bulbous based hairs. Pedicelled spikelets 3 in a raceme, similar to involucral spikelets. Bisexual spikelets 4 x 1 mm, lanceolate; lower glume with a longitudinal slit on dorsal surface, apex truncate; second lemma epaleate, awned, awn up to 3 cm long.

Flowering and fruiting: September-December
Grasslands
South India and Sri Lanka
(Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi

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Themeda tremula (Nees ex Steud.) Hack. SN Dec18 : 2 posts by 2 authors. Attachments (3).
Themeda tremula (Nees ex Steud.) Hack,
wild grass from Siddhapur area of Karnataka

Will appreciate seeing close-up of spikelet, if available, and date/ month of observation.
Am also attaching images of what I think is Themeda tremula (but not sure), December 13, 2014.
Attachments(2)

It is 18/12/2014. better available image is attached. Attachments (1)