Datura innoxia
Gard. Dict. ed. 8, Datura no. 5. 1768. (as inoxia)
Herbs perennial, to 10 dm, roots tuberous. Stems usually villous-pubescent, sometimes glabrous. Leaf blades ovate, to 22 × 16 cm, margins entire or irregularly sinuate-dentate, surfaces villous to glabrescent, (trichomes spreading, often more dense along veins, sometimes glandular). Flowers: calyx villous along veins, hairs spreading, tube cylindric, 5-toothed; corolla white, sometimes lavender- or purple-tinged, funnelform, 10–22 cm, sparsely hairy, glabrescent, acuminate lobes alternating with lobules of similar size. Capsules pendent, irregularly dehiscent, pericarp fleshy, hairy, with prickles 10 mm; calyx remnant slightly accrescent. Seeds brown, 4–6 mm, convex marginal ridge present, testa smooth; caruncle present. 2n = 24.
Phenology: Flowering Jul–Oct.
Habitat: Streamsides, road and trail margins, waste places, desert shrublands, grasslands.
Elevation: 0–2000 m.
Distribution
Ont., Que., Sask., Ala., Ark., Conn., D.C., Fla., Ga., Ill., Ind., Kans., Ky., Md., Mich., Miss., Mo., N.J., N.Mex., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., W.Va., Wis., Mexico, West Indies, Central America, n South America (Colombia, Ecuador, Venezuela), introduced nearly worldwide.
Discussion
Datura innoxia is native to Texas and possibly New Mexico. Elsewhere in the flora area, it is widely introduced as an ornamental and, inadvertently, as a weed.
Selected References
None.