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Pakistan | Family List | Solanaceae | Datura

1. Datura stramonium L., Sp. Pl. 179. 1753. Boiss., l.c.; Clarke, l.c. 242; Avery et al., l.c. 18; Bamber, Fl. Punj. 383. 1916; Parker, For. Fl. Punj. 371. 1918; Schoenbeck-Temesy, l.c. 242; Baytop in Davis, Fl. Turk. 6:451. 1978.

English: Thorn apple.


  • Datura stramonium var. tatula (Willd.) Clarke
  • Datura tatula L.

    Plant 60-120 cm or more tall, branched, pubescent; the branches often purplish. Leaves 8-17 x 4-13 cm, ovate or broadly so, sinuately dentate, minutely puberulose, cuneate. Petiole 2-5 cm long. 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. shallowy 5-lobed, with the lobes, ± triangular-acuminate. 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 3 mm long, reniform, reticulate-foveolate, black.

    Fl. Per.: June-July.

    Type: Described from American, Hort. Cliff. 55/1 (BM).

    Distribution: In most temperate and subtropical regions of both the hemispheres.

    The ‘thorn apple’ is a noxious weed found along roadsides and waste places from 914-2286 m. The plant parts, as in Atropa contain alkaloids as hyoscyamine, which have a powerful narcotic effect. The plant parts are also medicinal; being used in fevers, for worms, skin diseases, boils and indigestion (Dymock et al. Pharmcog. Ind. Reprint. edit. 2:584. 1891).


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