Datura wrightii
angel trumpet, angel's trumpet, jimson weed, sacred datura, sacred thorn-apple
usually canescent, sometimes 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.
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.
pendent, irregularly dehiscent, pericarp fleshy, puberulent, with prickles usually less than 10 mm;
calyx remnant slightly accrescent.
brown, 4–6 mm, convex marginal ridge present, testa smooth;
caruncle present.
= 24.
Datura wrightii
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.)
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