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Published In: Descriptionum et Iconum Rariores 12, pl. 4. 1773. (Descr. Icon. Rar. 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)
Synonym Text: Cyperus subg. Kyllinga (Rottb.) J. Valck.-Suringar, Gesl. Cyperus: 42. 1898.
General/Distribution: A genus with c. 50 species, widely distributed in Tropical Africa and Asia extending east to Australia, South and North America; represented in Pakistan by four species.


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Perennials or annuals, 5-40 cm; caespitose or rhizome creeping; stem trigonous, smooth, 0.5-1 mm diam.; leaves from 1/2 to equalling stem, sheaths 10-70 mm, ligule 0; blades 10-20 cm, 1.5-4 mm wide; inflorescence a compact multiple spike, mostly 1 cluster of spikes, or up to 6 compactly together, clusters with 50-100 spikes, 5-10 mm diam., 2-5 bracts foliose, up to 20 cm; spikes 2.5-6 x 0.8-1.5 mm, caducous, with two glumes and one flower; basal part of spike axis (peduncle) enlarged, remaining on the inflorescence axis after spike falls; glumes to equalling spikes, keel smooth or scabrous or winged, sides with 2-5 nerves; flowers bisexual, stamens 2-3, stigmas 2; nut 1-4 mm, papillose or reticulate. Kyllinga is related to Cyperus subg. Mariscus in structure of the 1-flowered spikes, but in Kyllinga the inflorescences are smaller, more compact and less variable.

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1 (1) Glume keel wingless. (1)
+ Glumes with winged keel. (2)
2 (1) Rhizome long-creeping; involucral bracts patent or reflexed; inflorescence as a rule single head, seldom 2-3 heads, 4-8 mm; spikes 3-3.5 mm. 1 Kyllinga brevifolia
+ Rhizome short; involucral bracts divaricate, finally reflexed; inflorescence usually formed by 3 sessile heads, seldom 1 or 4-5 heads, 6-10 mm; spikes 1.6-2 mm. 2 Kyllinga triceps
3 Perennial, with creeping and slender rhizome, wing of glume keel rather narrow, scabrous. 3 Kyllinga nemoralis
+ Annual; wing of glume keel wide, lobed, lobe margins scabrous. 4 Kyllinga squamulata
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