Cyperus tenuiculmis


Trop. Africa to N. Australia as per WCSP;

Angola; Assam; Bangladesh; Benin; Bismarck Archipelago; Borneo; Burkina; Burundi; Cambodia; Cameroon; Caroline Is.; Central African Repu; Chad; China South-Central; China Southeast; Congo; East Himalaya; Equatorial Guinea; Gabon; Gambia; Ghana; Guinea; Guinea-Bissau; Gulf of Guinea Is.; Hainan; India; Ivory Coast; Jawa; Kenya; Laos; Lesser Sunda Is.; Liberia; Malawi; Malaya; Mali; Maluku; Myanmar; Nepal; New Guinea; Nigeria; Northern Territory; Philippines; Queensland; Rwanda; Senegal; Sierra Leone; Socotra; Sri Lanka; Sudan; Sulawesi; Sumatera; Taiwan; Tanzania; Thailand; Togo; Uganda; Vietnam; Zare as per Catalogue of Life;


Culm solitary, to 45 cm, 3-quetrous, ribbed, base incrassate. Leaves as long as culm, or shorter, to 0.25 cm wide, acute, nerves prominent. Inflorescence compound, open, to 6 cm; involucral rays 3, overtopping, the longest to 20 cm; primary rays 3-5. Spikelets 2-10, spicate or racemose, at right angles to rachis. Spikelets narrow-oblong, to 1.5 x 0.1 cm, yellow, compressed, 10-15-flowered; rachilla persistent, wing to 0.1 cm. Glumes imbricate, ovate, 0.25 cm, mucronulate, sides 4-6-nerved, margin hyaline; keel 3-nerved. Stamens 3. Nut ellipsoid, 3-quetrous, 0.1 cm, apiculate, stalked.
Flowering and fruiting: September-October
Swamps
Paleotropics
(attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi from India Biodiversity Portal);
 
https://08511630493324166816.googlegroups.com/attach/f87c9087825ef/_DSC1016.JPG?part=0.2&view=1&vt=ANaJVrEQI9aWnLAuBAg42Z8F_r-M0BHDuo1MoBqCrYRZuiBylC2cPugjNhEObxrDLjJ47BTRxKpDpQMVNgTUQcDkIObJMoa_Ydqq7yPICSB5jyIVHyiXdj4


https://08511630493324166816.googlegroups.com/attach/f87c9087825ef/_DSC1015.JPG?part=0.1&view=1&vt=ANaJVrE3v9_YwShYBC6uLYQKEovLGDPGqSC7vzYctQ7KRP7ln1GXwuEcJ7WcklfxlzZyiH5fO1O-8QSNI4Fmy8oUk2lOzQr7T5lDxsqvs-rzFaPj0-qbBik
SK1389 28 AUG 2018 : 9 posts by 3 authors. Attachments (6)- around 500 kb each. 
Location: Suryabinayak, Nepal  
Date: 29 July 2018
Elevation:5000 ft.
Habit : Wild

Please check Cyperus haspan L.
Cyperus haspan L. is not listed in Nepal.

It can be Cyperus tenuiculmis, but I need a specimen to confirm the identity


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