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Hewittia malabarica
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Family:
CONVOLVULACEAE
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Citation: Hewittia malabarica (L.) Suresh in Nicolson et al., Interp. Hort. Malab. 88. 1988; Babu, Fl. Malappuram Dist. 472. 1990; Sasidh. & Sivar., Fl. Pl. Thrissur For. 307. 1996; Sasidh., Fl. Shenduruny WLS 216. 1997; Sivar. & Mathew, Fl. Nilambur 445. 1997; Sasidh., Fl. Chinnar WLS 210. 1999; Sasidh., Fl. Periyar Tiger Reserve 266. 1998; Sasidh., Fl. Parambikulam WLS 206. 2002; Anil Kumar et al., Fl. Pathanamthitta 338. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 468. 2009; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 557. 2009.
Convolvulus malabaricus L., Sp. Pl. 155. 1753.
Hewittia scandens (Milne) Mabb. in Manilal, Bot. Hist. Hort. Malab. 84. 1980; Manilal & Sivar., Fl. Calicut 179. 1982; Ansari, Fl. Kasaragod Div. 243. 1985; Mohanan, Fl. Quilon Dist. 270. 1984; Ramach. & V.J. Nair, Fl. Cannanore Dist. 300. 1988; Manilal, Fl. Silent Valley 187. 1988; Vajr., Fl. Palghat Dist. 307. 1990; M. Mohanan & Henry, Fl. Thiruvanthapuram 314. 1994; Subram., Fl. Thenmala Div. 235. 1995.
Convolvulus bicolor Vahl, Symb. Bot. 3: 25. 1974, non Desr. 1792.
Hewittia bicolor (Vahl) Wight & Arn., Madras J. Lit. Sci. 5: 22. 1837; Hook. f., Fl. Brit. India 4: 216. 1883; Gamble, Fl. Pres. Madras 924(649). 1923.
Hewittia sublobata (L. f.) O. Ktze., Rev. Gen. Pl. 2: 441. 1891; Antony, Syst. Stud. Fl. Kottayam Dist. 261. 1989.
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Malayalam Name(s):
Ohanamvalli
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Tamil name(s):
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English name(s):
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Description:
Stem twining or prostrate, pubescent. Leaves simple, alternate, 4-7 x 3-4 cm, ovate, apex acute, base cordate, margin entire or angled, puberulent, basally 3-nerved; petiole to 6 cm long. Flowers in axillary 1 to few-flowered peduncled cymes; bract linear-lanceolate, attached to little below the calyx. Sepals 5, outer 3 larger, accrescent, inner 2 smaller. Corolla yellowish or cream coloured with a purple centre, c. 3 cm across, campanulate, limb shallowly 5-lobed. Stamens included; filaments dilated at base. Ovary imperfectly 2-locular; ovules 2-per ocule; stigma 2. Capsule 4-valved, 8-10 mm across, subglobose; seeds 4 or less, 5-6 mm long, subtrigonous, black.
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Habit:
Climber
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Flowering & Fruiting:
October-January
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District(s):
All Districts
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Medicinal:
Yes
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Habitat:
Moist and dry deciduous forests, also in the plains
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Distribution:
Asia, Africa and South America
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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, White
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Weed:
No
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Monocot/Dicot:
Dicotyledonous 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:
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Localities:
Peechi, Kattalappara, Rosemala, Churullipetty, Thekkady, Kannimara, Poochapara, Adoor, Kannoth, Tellicherry, Payyavur, Kaikatty forests-Pothundy, Ayyappankovil, Vaniampara, Alleppey town, Nedumkayam, Kanjirakadavu, Vazhikadavu, Saivila, Teppakulam, Thenm
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