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Dioscorea oppositifolia
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Family:
DIOSCOREACEAE
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Citation: Dioscorea oppositifolia L., Sp. Pl. 1033. 1753; Hook. f., Fl. Brit. India 6: 292. 1892; Gamble, Fl. Pres. Madras 1512(1056). 1928; Mohanan, Fl. Quilon Dist. 412. 1984; Ansari, Fl. Kasaragod Div. 386. 1985; Manilal, Fl. Silent Valley 316. 1988; Ramach. & V.J. Nair, Fl. Cannanore Dist. 474. 1988; Antony, Syst. Stud. Fl. Kottayam Dist. 398. 1989; Vajr., Fl. Palghat Dist. 508. 1990; M. Mohanan & Henry, Fl. Thiruvanthapuram 479. 1994; Subram., Fl. Thenmala Div. 387. 1995; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 13,20. 1996; Sasidh. & Sivar., Fl. Pl. Thrissur For. 469. 1996; Sasidh., Fl. Shenduruny WLS 342. 1997; Sivar. & Mathew, Fl. Nilambur 724. 1997; Sasidh., Fl. Periyar Tiger Reserve 454. 1998; Sasidh., Fl. Chinnar WLS 312. 1999; Sasidh., Fl. Parambikulam WLS 349. 2002; Mohanan & Sivad., Fl. Agasthyamala 718. 2002; Anil Kumar et al., Fl. Pathanamthitta 504. 2005; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 872. 2009.
Dioscorea oppositifolia L. var. linnaei Prain & Burkill, J. Asiat. Soc. Bengal 10: 30. 1914; Gamble, Fl. Pres. Madras 1512(1056). 1928.
Dioscorea oppositifolia L. var. dukhunensis Prain & Burkill, J. Asiat. Soc. Bengal 10: 30. 1914; Gamble, Fl. Pres. Madras 1512(1056). 1928; Hook. f., Fl. Brit. India 6: 292. 1892; Sasidh., Fl. Parambikulam WLS 349. 2002.
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Malayalam Name(s):
Kachil, Kanji, Kanjirakizhangu, Kavala, Narankizhangu, Noorankizhangu, Vettilavally, Vellakkizhangu
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Tamil name(s):
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English name(s):
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Description:
Climbers, stem terete, twining to right, glabrous. Leaves 8-15 x 2-5 cm, opposite, elliptic, ovate or oblong, rounded or acute at base, 3-5 nerved; margins coriaceous; petiole to 3 cm long. Spike 2-6 cm long, slender, 3-6 together along the peduncle; peduncle 15-20 cm long; bracts lanceolate. Male tepals ovate, obtuse. Stamens 6. Female flowers distant; tepals 1mm long, orbicular, glabrous. Capsule 20 x 30 mm, glabrous.
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Habit:
Climber
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Flowering & Fruiting:
August-November
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District(s):
Palakkad, Kottayam, Kasaragode, Kollam, Idukki, Pathanamthitta, Malappuram, Kannur, Thiruvananthapuram, Thrissur, Wayanad
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Medicinal:
Yes
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Habitat:
Moist deciduous, semi-evergreen and evergreen forests
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Distribution:
Indo-Malesia and China
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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):
Green
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Weed:
No
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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:
Yes
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Endemic to:
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IUCN status:
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Altitude:
600-1500
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Localities:
Vellanimala, Choodal, Sivapura, Karumpara, Koruthode, Uppupara, Vengoli, Kuchimudi, Aruvanpara, Campshed area, Moozhiar, Ezhimala, Taliparamba, Chandanathode, Agali, Mukkali forests, Kaikatty forests-Pothundy, Konnakadu, Nadugani ghats, Thenmalai, Ariank
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