Cyperus cuspidatus ?

 Images by Surajit Koley, (For more photos & complete details, click on the links), (inserted by Bhagyashri Ranade)

Rhizome short. Culms 10-20 cm high, densely tufted. Leaves 5-10 x 0.1-0.2 cm, linear, folded; sheath keeled, closed, glabrous. Umbel 4 x 4 cm, compound; rays 3, secondary rays absent; bracts 3, unequal, longest 10 x 0.2 cm; spikes 1.2 x 0.8 cm, ovoid, oblong or globose. Spikelets 40-50 in a spike, ovate, 10-flowered; glumes 2 x 1 mm, lanceolate, keeled, curved; arista 1.5-2 mm long. Nut obovoid, obtuse, pale brown, smooth.
Flowering and fruiting: July-November
Rocky areas in grasslands
Hooghly : might be Cyperus cuspidatus H. B. & K.
: Attachments (12). 4 posts by 2 authors.
The most remarkable feature of this small cyperus (1 to 2.5 inches) is its very long bracts.
I think it is Cyperus cuspidatus Kunth. and I may very well be wrong.