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  Datura metel
  Citation:  Datura metel L., Sp. Pl. 179. 1753; Hook. f., Fl. Brit. India 4: 243. 1883; Gamble, Fl. Pres. Madras 941(660). 1923; Sant., Journ. Bombay Nat. Hist. Soc. 47: 657. 1948; Manilal & Sivar., Fl. Calicut 188. 1982; Mohanan, Fl. Quilon Dist. 276. 1984; Ansari, Fl. Kasaragod Div. 250. 1985; Ramach. & V.J. Nair, Fl. Cannanore Dist. 309. 1988; Antony, Syst. Stud. Fl. Kottayam Dist. 272. 1989; Babu, Fl. Malappuram Dist. 497. 1990; Vajr., Fl. Palghat Dist. 315. 1990; M. Mohanan & Henry, Fl. Thiruvanthapuram 319. 1994; Sivar. & Mathew, Fl. Nilambur 461. 1997; Sasidh., Fl. Periyar Tiger Reserve 271. 1998; Sasidh., Fl. Chinnar WLS 216. 1999; Sasidh., Fl. Parambikulam WLS 210. 2002; Sunil & Sivadasan, Fl. Alappuzha Dist. 482. 2009; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 568. 2009. Datura fastuosa L., Syst. Nat. (ed.10) 932. 1759; Hook. f., Fl. Brit. India 4: 242. 1883; Gamble, Fl. Pres. Madras 941(660). 1923. Datura fastuosa L. var. alba (Nees) Clarke in Hook.f., Fl. Brit. India 4: 243. 1883; Gamble, Fl. Pres. Madras 941(660). 1924.
  Malayalam Name(s): Madanam, Karucoomatha, Kariymmatta, Karummattu, Neelaummam, Omathinkai, Ummam
  Tamil name(s):
  English name(s): Devils Weed, Datura, Jimpson Weed, Purple Horn-of-Plenty, Thorn apple
  Description: Subshrubs; branches somewhat zigzag. Leaves entire or angled with acute lobes, c. 12 x 8 cm, ovate, base oblique, apex acute or acuminate; petiole to 6 cm long. Flowers solitary in axil, erect; pedicels 1-1.5 cm long. Calyx 6-8 cm long, tubular, 5-lobed, minutely pubescent. Corolla creamy-white, c. 15 cm long, funnel-shaped; teeth 5, cuspidate. Stamens 5, attached towards the base of corolla tube, included, subequal; filaments hairy at base. Capsule c. 3 cm across, spherical, covered with short spines, dehiscence irregular. Seeds compressed, c. 5 mm long, smooth, brown.
  Habit: Shrub
  Flowering & Fruiting: March-December
  District(s): All Districts
  Medicinal: Yes
  Habitat: Degraded dry and moist deciduous forests and wastelands
  Distribution: Paleotropics
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): White, Violet
  Weed: No
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: Yes
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Localities: Peechi, Champakkad, Thekkady, Kuchimudi, Pappinisseri, Manantody, Cannanore, Cheruvathur, Attapady block-Mukkali, Olavakkot, Thenkara, Thottappally, Canoli
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