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Oplismenus compositus
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Family:
POACEAE/GRAMINEAE
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Citation: Oplismenus compositus (L.) P. Beauv., Ess. Agrost. 54. 168. 1812; Hook. f., Fl. Brit. India 7: 66. 1896; Gamble, Fl. Pres. Madras 1778(1231). 1934; Manilal & Sivar., Fl. Calicut 341. 1982; Mohanan, Fl. Quilon Dist. 477. 1984; Ansari, Fl. Kasaragod Div. 470. 1985; Manilal, Fl. Silent Valley 358. 1988; Ramach. & V.J. Nair, Fl. Cannanore Dist. 547. 1988; Antony, Syst. Stud. Fl. Kottayam Dist. 459. 1989; Babu, Fl. Malappuram Dist. 942. 1990; Vajr., Fl. Palghat Dist. 581. 1990; Sreek. & V.J. Nair, Fl. Kerala Grasses 257. 1991; M. Mohanan & Henry, Fl. Thiruvanthapuram 548. 1994; Subram., Fl. Thenmala Div. 445. 1995; Sasidh. & Sivar., Fl. Pl. Thrissur For. 520. 1996; Sasidh., Fl. Shenduruny WLS 389. 1997; Swarup. et al., Shola For. Kerala 84. 1998; Sivar. & Mathew, Fl. Nilambur 841. 1997; Sasidh., Fl. Periyar Tiger Reserve 537. 1998; Sasidh., Fl. Parambikulam WLS 398. 2002; Mohanan & Sivad., Fl. Agasthyamala 832. 2002; Anil Kumar et al., Fl. Pathanamthitta 581. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 868. 2009; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 995. 2009.
Panicum compositum L., Sp. Pl. 57. 1753.
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Malayalam Name(s):
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Tamil name(s):
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English name(s):
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Description:
Annual herbs; culms 25-80 cm long, trailing, creeping and rooting at the lower nodes; nodes softly hairy. Leaves 1.5-7 x 0.8 - 2 cm, elliptic-lanceolate or ovate-lanceolate, base oblique, margins wavy, apex acuminate, hispid; sheaths to 6 cm long; ligule a row of hairs. Inflorescence 8-20 cm long, lax; racemes 4-8, each 1.5 - 11 cm long; rachis triquetrous, pilose. Spikelets paired, 3-4 mm long, elliptic, distant, subsessile. Lower glume 2-3 x 1 mm , lanceolate, awned; awn 4-6 mm long; upper glume 2-3 x 1 mm, ovate-elliptic, aristate. Lower floret barren. Upper floret bisexual. First lemma 3-4 x 1-2 mm, ovate; palea 1-2 mm long, lanceolate; second lemma 2-3 x 1 mm, elliptic, subcoriaceous; palea 2-3 x 1 mm, elliptic, subcoriaceous, 2-keeled. Stamens 3; anthers c. 1 mm long, purple. Stigma c 1 mm long, reddish. Grains c. 1mm long, ellipsoid.
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Habit:
Herb
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Flowering & Fruiting:
Throughout the year
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District(s):
All Districts
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Medicinal:
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Habitat:
Degraded deciduous forests and shady places, also in the plains
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Distribution:
Pantropical
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Aquatic:
No
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Epiphyte(s):
No
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Saprophyte:
No
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Stem parasite:
No
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Root parasite:
No
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Flower colour(s):
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Weed:
Yes
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Monocot/Dicot:
Monocotyledonous Plants
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Exotic:
No
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Garden:
No
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Edible:
No
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Vegetable:
No
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Endemic to:
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IUCN status:
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Altitude:
600-800
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Localities:
Peechi, Kattalappara, Pachakkanam, Vengoli, Anakkalvayal, Chembotti, Campshed area, Moozhiar, Kodumon, Manantody, Chandanathode, Nileswar, Bandukha, Kannoth, on way to Periya, Kuttikanam, Munnar, Thekkadi, way to Eravikulam, Aruvikkara, Kazhakkuttam, Kot
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