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!Cyperus alternifolius L. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font
 

Published In: Mantissa Plantarum 1: 28–29. 1767. (Mant. Pl.) Name publication detailView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Type: Lectotype: Herb. Linn. 70.40 (LINN) ; selected by Baijnath, Kew Bull. 30: 521. 1975.
Distribution: Distribution: Area of subsp. flabelliformis covers the area of the species; subsp. alternifolius originates from Madagascar and the Mascarenes, where it was not collected recently, but cultivated in botanical gardens.

 

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Tufted perennial, 50-150 cm. Rhizome rather short, horizontal. Stem 4-7 mm diam., obtusely trigonous, smooth to finely scabrous. Leaf blades reduced; sheaths to more than 30 cm, coriaceous, upper yellowish or grey, lower reddish brown or black brown, mouth margin oblique; ligule 0; blades 0. Inflorescence a compound anthelodium, 3-13 cm; bracts 18-22, to more than 30 cm, to 15 mm wide, foliose or upper filiform, green or greyish-green, acute, flat, margins narrowly recurved, margins and main nerves smooth or variously scabrous; primary branches up to c. 10 cm, spreading, smooth or slightly scabrous, almost terete, tubular prophyll green or brownish, basal part spongy; secondary anthelodia 10-30 mm, with bracts to c. 5 mm; tertiary anthelodia occasional; cluster of spikes 5-10 mm, globose, with 5-25 spirally arranged spikes ; spikes 3.5-9 x c. 2 mm, with 7-30 closely imbricating glumes, glume-like bract scarious, c. 1.2 mm, glume-like prophyll bi-nerved, rounded, c. 1.2 mm; rachis four-angled, c. 0.5 mm wide, internodes c. 0.5 mm, not markedly winged; glumes c. 1.5 mm, cymbiform, lanceolate to elliptic, mid-nerve pronounced, barely reaching apex, margins scarious, colourless or pale brown. Stamens 3. Nut c. 0.6-1 x 0.3-0.5 mm, ellipsoid or obovoid, trigonous, light brown or dark greyish brown, finely papillose.
 
 
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