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  Cyperus malaccensis
  Citation:  Cyperus malaccensis Lam., Illustr. 1: 146. 1791; Hook. f., Fl. Brit. India 6: 608. 1893; Gamble, Fl. Pres. Madras 1640(1140). 1931; Manilal & Sivar., Fl. Calicut 317. 1982; Ramach. & V.J. Nair, Fl. Cannanore Dist. 508. 1988; Babu, Fl. Malappuram Dist. 866. 1990; Vajr., Fl. Palghat Dist. 546. 1990; Rejani, Cyperac. Kerala 199. 1991; Joseph, Aquatic Angiosp. Malabar 329. 1991; Sunil & Sivadasan, Fl. Alappuzha Dist. 757. 2009; Anil Kumar et al., Fl. Pathanamthitta 537. 2005.
  Malayalam Name(s): Koonikkorappullu
  Tamil name(s):
  English name(s): Chinese mat grass
  Description: Perennial, more than 1 m; rhizome with short stolons. Stem 4-6 mm in diam., sharply trigonous, sides concave above. Leaves reduced; sheaths few, up to more than 30 cm, grey-brown or reddish, lowest bladeless; ligule 0 (?); blades 1-3, short, up to c.10 mm wide, flat, margins smooth, apex acute, smooth or scabrous. Inflorescence simple anthelodium, up to more than 10 cm diam., usually wider than long; bracts 3-4, longer than inflorescence; primary branches up to 7 cm, spreading, tubular prophylls up to c.8 mm; cluster of spikes with usually more than 15 spikes, in almost spherical group, lowest often almost digitately pedunculate. Spikes 10-25 x 1.5-2 mm, with 10-40 glumes, glume-like bract c. 1 mm, acute, glume-like prophyll bi-nerved, blunt, base spongy; rachis almost straight, quadrangular with sharp, narrowly winged angles; glumes c.2.2 mm, cymbiform when fresh, almost flat, inwards curved when dry, blunt, reddish-brown, mid-nerve not prominent, margins scarious, grey-yellow. Anthers c.1 mm. Nut c.1.8 x 0.5 mm, trigonous, slightly compressed, dark brown, glossy, very finely reticulate.
  Habit: Herb
  Flowering & Fruiting: September-December
  District(s): Pathanamthitta, Palakkad, Kannur, Malappuram, Kozhikkode, Ernakulam, Kasaragode, Kollam, Thrissur, Alappuzha
  Habitat: Banks of backwaters and ponds, and mangrove forests
  Distribution: Paleotropics
  Aquatic: Yes
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s):
  Weed: No
  Monocot/Dicot: Monocotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Localities: Moozhiar, Tellicherry, Aroor, Thekara-Mannarghat
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