Fuirena umbellata Rottb., Descr. Icon. Rar. Pl. 70 1773. (syn: Fuirena appendiculata Peter; Fuirena brachylepis Peter; Fuirena brasiliensis Palla [Illegitimate]; Fuirena brasiliensis Raddi; Fuirena canescens Vahl; Fuirena complotricha C.Wright; Fuirena guianensis Klotzsch; Fuirena haemaglottis Steud.; Fuirena hildebrandtii Boeckeler; Fuirena mahouxii Cherm.; Fuirena mauritiana Nees ex Kunth; Fuirena mauritiana Nees; Fuirena mauritiana var. angustifolia Kunth; Fuirena multiflora Peter; Fuirena paniculata L.f.; Fuirena pentagona Wight & Arn. ex Nees [Illegitimate]; Fuirena pentagona Schumach.; Fuirena philippinensis Gand.; Fuirena quinguangularis Hassk.; Fuirena rivularis Nees [Invalid]; Fuirena seriata C.B.Clarke; Fuirena tereticulmis J.Presl & C.Presl; Fuirena thouarsiana Kunth; Fuirena umbellata var. americana H.Pfeiff.; Fuirena umbellata var. pilosa Domin; Fuirena umbellata var. unguiculata Kük.; Scirpus fuirena T.Koyama; Scirpus rivularis D.Don. ex Nees [Invalid]; Scirpus umbellatus (Rottb.) Kuntze); 

Erect, rhizomatous perennial herbs, 40-97 cm tall; rhizome short, thick, horizontal; culms sharply 4- or 5-angular, several noded, glabrous except below inflorescence. Leaves cauline, 7-18 x 0.5-1.2 cm, lanceolate to linear-lanceolate, base rounded, apex acute, 5-nerved, glabrous or ciliate at base; sheaths to 6 cm long; ligules membranous. Inflorescence paniculiform, with 3 to 10 glomerulous clusters of sessile spikelets; each glomerules bearing 4 to 10 spikelets; peduncles white-villose. Spikelets 6-10 x 2-3 mm, ovoid, acute, brownish-green at maturity, wholly pubescent; bracts 2-3, lowest one leaf-like. Glumes spiral, 2-2.5 x 1-1.5 mm, obovate, apex rounded, short-hairy, the midvein ending in a short, recurved, often pilose, 0.5-1 mm long awn. Hypogynous bristles absent. Hypogynous scales 3, c. 1.5 x 0.5 mm, obovate, subsessile with a very short claw at base, apex, truncate, 3-nerved, mid-nerve projecting into a short curled mucro, minutely ciliate at apex. Stamens 3; anthers c. 0.5 mm long. Style c. 1 mm long; stigmas 3. Nuts c. 1 x 0.5 mm, elliptic to obovate; triquetrous, apex beak-like.

Flowering and fruiting: July-December
Wet places, marshy areas near rivers and rice fields




Unknown grass from Assam-Jan 2014 : Attachments (7).  4 posts by 3 authors.
Attached images are unknown grass. Please ID the plant
Date :30.12.2013
Location: Assam
Family :
Genus & species : ??
Habitat: Grows wild on bank of the pond.
Habit : Aquatic herb

It is not a grass, but a sedge – Cyperaceae

It is a sedge species (Family Cyperaceae). Seems to be Fuirena umbellata Rottb.




Fuirena umbellata Rottb. from Assam KD 02 Feb 2015 : 3 posts by 2 authors. Attachments (3)
Attached images may be Fuirena umbellata Rottb. Please validate. 
Date :23.01.2015
Location: Assam
Family :Cyperaceae
Genus & species : Fuirena umbellata Rottb.
Habitat: Grows wild on rice field
Habit :Herb 

Looks like Fuirena umbellata, but I need a specimen to confirm the identity.




Grass Id from Bangladesh_SM_14022 : 5 posts by 2 authors. Attachments (1)

Flowering: January
Habitat: Agriculture bed
Habit: Herb 

Pl. check at Cyperaceae 

Can be Fuirena umbellata Rottb., need a specimen to confirm the identity.