Annuals, 5-10 cm tall; culms tufted, compressed, trigonous, glabrous. Leaves basal, 3-10 x 0.1 cm, linear, flat, margins involute; sheaths 5-12 mm long, laterally compressed, straw-coloured, lower ones bladeless, mouth oblique, membranous with dark brown spots; ligule absent. Inflorescence terminal, capitate, 1-2 cm across; bracts 2-3, the largest to 4 cm long. Spikelets 5-8 x 1-1.5 mm, oblong-cylindric, obtuse, brown; rachilla narrowly winged. Glumes spiral, 1-1.5 mm long, ovate, concave, acute at apex, keeled, 3-nerved, yellowish, margins hyaline. Stamen 1; anthers c. 0.5 mm, oblong. Style c. 1 mm long, linear, thickened at base, sparsely ciliate at top; stigma 2. Nut c. 0.5 mm, obovoid, obscurely vertically striate, biconvex, yellowish.

Flowering and fruiting: November-December
Wet or moist sandy grounds, grasslands and in rice fields
South and South East Asia
(Attribution- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi from India Biodiversity Portal)


ID KANNUR 18 : 4 posts by 3 authors. Attachments (1)
Please identify this Cyperaceae member from the riparian zone of Kannur district of Kerala,

Please post more photograph of the same.

It looks like Fimbristylis argentea (Rottb.) Vahl


Cyprus sp for id: 4 images- 3 high res.
Collected from Wetland, Gujarat

Please help to confirm Fimbristylis argentea

To me (as a layman) appears close to as per images at

Looks like Fimbristylis argentea. But specimens needed to be checked for variation, if any.



References: The Plant List Ver.1.1  WCSP  IPNI  Catalogue of Life  eMonocot  GBIF India Biodiversity Portal  IUCN Red List (LC)  Plant illustrations  Flora Malesiana