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  Datura stramonium
  Citation:  Datura stramonium L., Sp. Pl. 179. 1753; Hook. f., Fl. Brit. India 4: 242. 1883; Gamble, Fl. Pres. Madras 941(660). 1923; Anil Kumar et al., Fl. Pathanamthitta 349. 2005; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 569. 2009. Datura stramonium L. var. tatula Clarke in Hook. f., Fl. Brit. India 4: 242. 1883. Datura tatula L., Sp. Pl. (ed. 2) 256. 1762. Datura inermis Jacq., Hort. Vindov. 3: 44. t. 82. 1776. Datura laevis L.f., Suppl. Pl. 146. 1781. Datura bertolonii Paxt. ex Guss, Fl. Sic. Sy. 1: 267. 1842. Datura ferox Nees, Trans. Linn. Soc. London 17: 75. 1837, non L. Datura wallichii Dunal in DC., Prodr. 13: 539. 1852. Stramonium vulgatum Gaertn., Fruct. 2: 243. t. 132. f. 4. 1791.
  Malayalam Name(s): Ummam
  Tamil name(s): Sada dhatura
  English name(s): Common thorn apple, Datura, Devil's apple, Jimson weed, Jamestown weed, Thorn Apple
  Description: Subshrubs, 60-120 cm tall, branched, pubescent; the branches often purplish. Leaves alternate, simple, 8-17 x 4-13 cm, ovate or broadly so, sinuately dentate, minutely puberulose, cuneate; petiole 2-5 cm long. Flowers single or paired, axilary, white; Calyx 3.5-5.5 cm long, tubular, 5-dentate, puberulous, persistent; lobes 6-9 mm long, strongly reflexed in fruit, apiculate. Corolla 7-10 cm long, white or purplish suffused; limb up to 8 cm broad, shallowly 5-lobed, with the lobes, ± triangular-acuminate. Stamens 5; anthers ± 5 mm long, with the lobes narrow oblong, usually white. Capsule erect, 3-4 cm long, ovoid, spiny and densely pubescent, splitting by 4 valves; spines up to 5 mm long; seeds many, 3 mm long, reniform, reticulate-foveolate, and black.
  Habit: Shrub
  Flowering & Fruiting: July-September
  District(s): All Districts
  Medicinal: Yes
  Habitat: Scrub jungles and wastelands
  Distribution: Widely distributed most parts of the temperate regions of the world
  Aquatic: No
  Epiphyte(s): No
  Saprophyte: No
  Stem parasite: No
  Root parasite: No
  Flower colour(s): White
  Weed: Yes
  Monocot/Dicot: Dicotyledonous Plants
  Exotic: Yes
  Garden: No
  Edible: No
  Vegetable: No
  Endemic to:
  IUCN status:
  Localities: Malayalapuzha
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