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Datura stramonium
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Family:
SOLANACEAE
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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.
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Malayalam Name(s):
Ummam
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Tamil name(s):
Sada dhatura
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English name(s):
Common thorn apple, Datura, Devil's apple, Jimson weed, Jamestown weed, Thorn Apple
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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.
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Habit:
Shrub
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Flowering & Fruiting:
July-September
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District(s):
All Districts
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Medicinal:
Yes
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Habitat:
Scrub jungles and wastelands
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Distribution:
Widely distributed most parts of the temperate regions of the world
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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):
White
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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:
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Localities:
Malayalapuzha
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