Silver Grass is an annual grass with stems erect or
geniculately rising up, 20-70 cm tall, 3-4-noded, smooth. Leaf sheaths
are loosely overlapping, shorter or lower longer than internodes,
smooth, hairless; leaf blades involute, 7-11 cm x 1-2 mm, upper surface
velvet-hairy, lower surface smooth; ligule 0.2-0.5 mm, flat. Panicles
are linear, 10-20 x 0.5-1 cm, loose to somewhat dense, mostly curved or
nodding, base enclosed by uppermost leaf sheath or just protruding from
it. Spikelets are oblong or wedge-shaped, 8-10 mm (excluding awns),
florets 4-7; lower glume minute, 1-3 mm, upper glume
linear-lanceshaped, 3-8 mm, tip pointed; lemmas 5-7 mm, back rough,
5-veined, margins rough or ciliolate, tip tapering; awn 1.3-1.8 cm.
Stamen is 1, with anther 0.4-1 mm. Caryopsis reddish brown, about 4 mm.
Silver Grass is found in Europe to Taiwan and Sri Lanka, Macaronesia to
Arabian Peninsula and N. Tanzania. It is also found in Western
Himalaya. It is usually found as a weed of cultivation, at altitudes of
1200-3000 m. Flowering: April-July.
Identification credit: Kuntal Saha
Photographed in Harsil Valley, Uttarkashi, Uttarakhand & Chadwick waterfall, Shimla, Himachal Pradesh.
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The flower labeled Silver Grass is ...