Flora of North America species comparison

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Datura innoxia

angel's-trumpet, downy thorn-apple, Indian-apple, pricklyburr
Habit 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.

Datura innoxia
Phenology Flowering Jul–Oct.
Habitat Streamsides, road and trail margins, waste places, desert shrublands, grasslands.
Elevation 0–2000 m. (0–6600 ft.)
Distribution
from FNA
AL; AR; CT; DC; FL; GA; IL; IN; KS; KY; MD; MI; MO; MS; NC; NJ; NM; NY; OH; OK; PA; SC; TN; TX; WI; WV; ON; QC; SK; Mexico; Central America; West Indies; n South America (Colombia, Ecuador, Venezuela) [Introduced nearly worldwide]
[WildflowerSearch map]
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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 14.
Parent taxa Solanaceae > Datura
Sibling taxa
D. ceratocaula, D. discolor, D. ferox, D. metel, D. quercifolia, D. stramonium, D. wrightii
Synonyms D. meteloides
Name authority Miller: Gard. Dict. ed. 8, Datura no. 5. (1768) — (as inoxia)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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