Datura innoxia |
Datura quercifolia |
|
---|---|---|
angel's-trumpet, downy thorn-apple, Indian-apple, pricklyburr |
Chinese thorn-apple, oak-leaf jimsonweed or thorn-apple |
|
Habit | Herbs perennial, to 10 dm, roots tuberous. | Herbs annual, to 8 dm. |
Stems | usually villous-pubescent, sometimes glabrous. |
hairy, sometimes villous. |
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). |
blades elliptic to narrowly ovate, to 16 × 10 cm, margins usually pinnately lobed, sometimes sinuate-dentate, abaxial surface hairy, adaxial surface glabrescent. |
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. |
calyx hairy along veins, tube cylindric, 5-toothed; corolla whitish to purple, trumpet-shaped, 4–8 cm, acuminate lobes alternating with sinuses. |
Capsules | pendent, irregularly dehiscent, pericarp fleshy, hairy, with prickles 10 mm; calyx remnant slightly accrescent. |
erect, dehiscent by 4 valves, pericarp dry, glabrous or hairy, with prickles unequal, proximals shorter than distals; calyx remnant not accrescent. |
Seeds | brown, 4–6 mm, convex marginal ridge present, testa smooth; caruncle present. |
black, 3–5 mm, convex marginal ridge absent, testa rugose; caruncle absent. |
2n | = 24. |
= 24. |
Datura innoxia |
Datura quercifolia |
|
Phenology | Flowering Jul–Oct. | Flowering Jul–Oct. |
Habitat | Streamsides, road and trail margins, waste places, desert shrublands, grasslands. | Gardens, cultivated fields, irrigation ditches, margins of roads and trails, waste places in various types of vegetation. |
Elevation | 0–2000 m. (0–6600 ft.) | 0–2200 m. (0–7200 ft.) |
Distribution |
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]
|
AR; AZ; CA; GA; KS; LA; MA; MD; NC; NM; OK; OR; PA; SC; TX; Mexico
|
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.) |
Datura quercifolia is native to the Chihuahuan Desert, where it hybridizes occasionally with introduced D. stramonium. In the flora area, it is native to Texas and possibly New Mexico. Its geographic range is expanding especially in agricultural habitats. Although recently documented in central California (former orange orchard in Riverside; 1984, 1996), it has not expanded its range in that state. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Solanaceae > Datura | Solanaceae > Datura |
Sibling taxa | ||
Synonyms | D. meteloides | |
Name authority | Miller: Gard. Dict. ed. 8, Datura no. 5. (1768) — (as inoxia) | Kunth in A. von Humboldt et al.: Nov. Gen. Sp., 3(fol.): 6; 3(qto.): 7. (1818) |
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