Datura wrightii
Datura metel
angel trumpet, angel's trumpet, jimson weed, sacred datura, sacred thorn-apple
angel's-trumpet
usually canescent, sometimes glabrescent.
purple in some cultivars, sparsely puberulent, glabrescent.
blades ovate, to 22 × 16 cm, margins entire or irregularly sinuate-dentate, abaxial surface canescent (especially along veins), hairs appressed or curved, sometimes glandular, adaxial surface puberulent to glabrescent.
blades ovate, to 24 × 20 cm, margins entire or irregularly sinuate-dentate, surfaces puberulent, glabrescent.
calyx canescent along veins, tube cylindric, 5-toothed;
corolla white, sometimes tinged pale lavender, broadly funnelform, usually puberulent along veins, 14–26 cm, acuminate lobes alternating with smaller lobules.
calyx hairy along veins, tube cylindric, 5-toothed;
corolla white, yellow, or purple, broadly funnelform, with single, double, or triple whorls, finely puberulent along veins, 11–22 cm, acuminate lobes alternating with smaller lobules (or emarginate).
pendent, irregularly dehiscent, pericarp fleshy, puberulent, with prickles usually less than 10 mm;
calyx remnant slightly accrescent.
pendent, irregularly dehiscent, pericarp fleshy, puberulent, glabrescent, tuberculate;
calyx remnant slightly accrescent.
brown, 4–6 mm, convex marginal ridge present, testa smooth;
caruncle present.
brown, 4–6 mm, convex marginal ridge present, testa smooth;
caruncle present.
= 24.
= 24.
Datura wrightii
Datura metel
Datura wrightii has been introduced worldwide both as an ornamental and unintentionally. In the flora area, it is native in Texas and possibly New Mexico. The combination D. innoxia subsp. quinquecuspida (Torrey) A. S. Barclay is an invalidly published synonym of D. wrightii.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Datura metel is an ornamental and ritual plant that was domesticated in the region of southern Mexico and Central America prior to European contact; it is derived from a common ancestor shared with D. innoxia. Using old Arabic and Indic references as well as iconographic representations from southern India, R. Geeta and W. Gharaibeh (2007) supported the hypothesis that D. metel was transferred to the Old World at least a millennium ago. Plants escaped from cultivation may persist for only a few years.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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