Tropical Cupgrass is an annual grass, with stems
20-100 cm tall, erect or geniculately rising up. Leaf-blades are 2-30
cm long, 2-4 mm. wide. Inflorescence is 4-20 cm long; racemes 2-10 cm
long, the rachis finely velvet-hairy, triquetrous, bearing paired
spikelets; flower-stalks commonly hairless, those of a pair often fused
below. Spikelets are lanceshaped, 3-4 mm long, thinly velvet-hairy;
lower glume absent; upper glume pointed to tapering; lower floret
represented only by a lemma; upper lemma with a mucro 0.3-0.5 mm long.
Tropical Cupgrass is found in damp places and stream sides, at
altitudes of 200-1700 m, in Ethiopia to Mozambique, Madagascar,
Tropical & Subtropical Asia to Australia.
Identification credit: P.V. Sreekumar
Photographed in Agra, Uttar Pradesh.
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The flower labeled Tropical Cupgrass is ...