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Hygrophila ringens
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Family:
ACANTHACEAE
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Citation: Hygrophila ringens (L.) Steud., Nomencl. Bot. (ed. 1) 1: 418. 1821; Babu, Fl. Malappuram Dist. 580. 1990; Joseph, Aquatic Angiosp. Malabar 40. 1991; Sivar. & Mathew, Fl. Nilambur 502. 1997; Anil Kumar et al., Fl. Pathanamthitta 380. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 538. 2009; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 614. 2009.
Ruellia ringens L., Sp. Pl. 635. 1753.
Hygrophila erecta (Burm. f.) Hochr., Candollea 5: 230. 1934; Manilal & Sivar., Fl. Calicut 225. 1982; Ansari, Fl. Kasaragod Div. 281. 1985; Mohanan, Fl. Quilon Dist. 303. 1984; Ramach. & V.J. Nair, Fl. Cannanore Dist. 339. 1988; Antony, Syst. Stud. Fl. Kottayam Dist. 302. 1989; M. Mohanan & Henry, Fl. Thiruvanthapuram 347. 1994.
Hygrophila obovata (Roxb. ex Hornem.) Nees in Wall., Pl. Asiat. Rar. 3: 81. 1832.
Hygrophila quadrivalvis Nees in Wall., Pl. Asiat. Rar. 3: 80. 1832; Hook. f., Fl. Brit. India 4: 408. 1884; Gamble, Fl. Pres. Madras 1016(714). 1924.
Hygrophila angustifolia R. Br., Prodr. 1: 479. 1810; Gamble, Fl. Pres. Madras 1016(713). 1924.
Hygrophila salicifolia (Vahl) Nees in Wall., Pl. Asiat. Rar. 3: 81. 1832; Manilal & Sivar., Fl. Calicut 224. 1982; Mohanan, Fl. Quilon Dist. 304. 1984; Antony, Syst. Stud. Fl. Kottayam Dist. 302. 1989; Vajr., Fl. Palghat Dist. 350. 1990; Sasidh., Fl. Shenduruny WLS 233. 1997; Sasidh., Fl. Periyar Tiger Reserve 296. 1998.
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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:
Erect subshrubs, rooting at lower nodes; stems quadrangular. Leaves to 10 x 1 cm, linear-lanceolate, strigose along the nerves. Flowers in axillary clusters, sessile; bracts 6 mm long, linear; bracteoles minute; calyx 12 mm long, tubular; lobes oblong, acuminate, hairy within; corolla pale pink, 15 mm long, bilabiate; tube slender, ventricose above; stamens 4, filaments united into a sheath, ciliate. Capsule 14 x 2 mm, terete, glabrous; seeds many, densely hairy.
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Habit:
Herb
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Flowering & Fruiting:
October-March
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District(s):
All Districts
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Medicinal:
Yes
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Habitat:
Moist localities in the plains
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Distribution:
Indo-Malesia
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Aquatic:
Yes
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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):
Blue
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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:
Kallar, Thannikkudy, Maniyaar, Cannanore, Taliparamba, Pazhassi, Karivara slopes, Punnamada, Kanjirakadavu, Anamari, Anamada-Nelliyampathy
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