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  Actinoscirpus grossus
  Citation:  Actinoscirpus grossus (L.f.) Goetgh. & D.A.Simpson, Kew Bull. 46: 171. 1991. Scirpus grossus L. f., Suppl. Pl. 104. 1781; Hook. f., Fl. Brit. India 6: 659. 1893; Gamble, Fl. Pres. Madras 1154(1156). 1931. Hymenochaeta grossa (L.f.) Nees in Wight, Contr. Bot. India 119. 1834. Schoenoplectus grossus (L.f.) Palla, Allg. Bot. Syst. 17: Beibl. 3. 1911; Rejani, Cyperac. Kerala 417. 1991; Joseph, Aquatic Angiosp. Malabar 396. 1991; Sunil & Sivadasan, Fl. Alappuzha Dist. 804. 2009.
  Malayalam Name(s):
  Tamil name(s):
  English name(s):
  Description: Stoloniferous perennial, to c. 2 m. Stem sharply trigonous, edges scabrous, sides concave. Leaves c. half of stem length; sheaths 14-20 cm, soft, yellowish green, disintegrating into fibres; blades 60-100 cm x 5-27 mm, flat, greyish green, keeled, margins slightly revolute, scabrous. Anthelodium, c. 12 x 10 cm; bracts to 60 x 1.5 cm; primary branches more than 10, up to 60 mm, two from each basal tubular prophyll, tubular prophylls to 12 mm, with spongy basal part, scabrous; secondary anthelodia up to 65 mm, secondary branches up to 35 mm, two from each tubular prophyll, tubular prophylls c. 5 mm; tertiary anthelodia to c. 30 mm, tertiary branches each ending with solitary spike or with additional peduncled spike (occasionally even small quaternary anthelodium is produced), peduncles to 5-12 mm, bracts c. 4 mm, tubular prophyll c. 3 mm; spikes 3-7 x 2-4 mm, ovoid; glumes 2.4-2.7 mm, cymbiform, barbed, apex rounded, with short mucro, sides nerveless, brown, margin narrowly fringed. Perianth bristles slightly longer than fruit; stamens 3, anther c. 1.5 mm. Nut 1.5-1.6 x 1.1-1.2 mm, widely obovoid, apiculate, finely papillose, glossy, pale brown or brown.
  Habit: Herb
  Flowering & Fruiting: August-December
  District(s): Alappuzha, Kottayam, Kozhikkode, Ernakulam
  Habitat: Marshy fields
  Distribution: Indo-Malesia
  Aquatic: Yes
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): Brown
  Weed: Yes
  Monocot/Dicot: Monocotyledonous Plants
  Exotic: No
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Localities: Mancombu, Thakazhy
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