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Merremia vitifolia
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Family:
CONVOLVULACEAE
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Citation: Merremia vitifolia (Burm. f.) Hall. f. in Engl., Bot. Jahrb. Syst. 16: 552. 1893; Gamble, Fl. Pres. Madras 928(651). 1923; Manilal & Sivar., Fl. Calicut 185. 1982; Mohanan, Fl. Quilon Dist. 275. 1984; Ansari, Fl. Kasaragod Div. 249. 1985; Manilal, Fl. Silent Valley 190. 1988; Ramach. & V.J. Nair, Fl. Cannanore Dist. 307. 1988; Antony, Syst. Stud. Fl. Kottayam Dist. 270. 1989; Babu, Fl. Malappuram Dist. 492. 1990; Vajr., Fl. Palghat Dist. 314. 1990; Subram., Fl. Thenmala Div. 236. 1995; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 10. 1996; Sasidh. & Sivar., Fl. Pl. Thrissur For. 312. 1996; Sasidh., Fl. Shenduruny WLS 219. 1997; Sivar. & Mathew, Fl. Nilambur 460. 1997; Sasidh., Fl. Periyar Tiger Reserve 270. 1998; Pradeep, Fl. Vellarimala 105. 2000; Sasidh., Fl. Parambikulam WLS 210. 2002; Mohanan & Sivad., Fl. Agasthyamala 475. 2002; Anil Kumar et al., Fl. Pathanamthitta 348. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 480. 2009; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 565. 2009.
Convolvulus vitifolius Burm.f., Fl. Ind. 45.t.18. 1768.
Ipomoea vitifolia (Burm. f.) Blume, Bijdr. 709. 1826; Hook. f., Fl. Brit. India 4: 213. 1883.
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Malayalam Name(s):
Manja vayaravalli, Manja kolambi valli
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Tamil name(s):
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English name(s):
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Description:
Twining shrubs; stem brownish-black, young shoots patently hairy. Leaves alternate, lobed, 6-12 cm long, equally wide, base cordate, margin dentate-serrate, acute to acuminate at apex of lobation, sparsely fulvous hairy on both sides, basally 7-ribbed; petiole 3-8 cm long. Inflorescence axillary, 1-3-flowered cymes; peduncles 4-5 cm long. Sepals 10-15 x 6-8 mm, ovate-lanceolate, mucronate, outer hirsute, inner glabrescent. Corolla yellow, campanulate, 3.5-5 cm long, 4-6 cm across. Ovary 2-celled, ovules 2 in each cell. Capsule 1-1.2 cm across, globose, fruiting sepals much larger; seeds 4, 6-8 mm long ovoid.
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Habit:
Climber
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Flowering & Fruiting:
November-February
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District(s):
All Districts
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Medicinal:
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Habitat:
Degraded forest areas and also in the plains
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Distribution:
Indo-China 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):
Yellow
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Weed:
Yes
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Monocot/Dicot:
Dicotyledonous Plants
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Exotic:
Yes
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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:
300-750
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Localities:
Peechi, Rosemala, Koruthode, Muthalakkuzhi, way to Gudalloor, Campshed area, Poochapara, Allmost all places, Begur, Taliparamba, Payyavur, Aruvampara, Karivara slopes, Neelipara-Vaniampara, Konnakadu, Chengannur, Kanjirakadavu, Ampumala, Thenmalai, Vanda
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