Difference between revisions of "Datura discolor"
Neues J. Pharm. Aerzte 26: 149. 1833.
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|genus=Datura | |genus=Datura | ||
|species=Datura discolor | |species=Datura discolor | ||
Latest revision as of 13:14, 24 November 2024
Herbs annual or short-lived perennial, to 10 dm. Stems usually hairy, sometimes glabrous. Leaf blades ovate, to 18 × 16 cm, margins entire or dentate, abaxial surface hairy, adaxial surface glabrous. Flowers: calyx hairy along veins, tube cylindric, 5-toothed; corolla white throat with purple ring, trumpet-shaped, 8–15 cm, acuminate lobes alternating with larger lobules. Capsules pendent, regularly dehiscing by 4 valves, pericarp dry, hairy, with prickles to 3.2 cm; calyx remnant accrescent (sometimes reflexed). Seeds black, 3–4.5 mm, convex marginal ridge absent, testa rugose; caruncle present. 2n = 24.
Phenology: Flowering Mar–Oct.
Habitat: Streamsides, irrigation ditches, road and trail margins, waste places, desert shrublands, grasslands, pinyon-juniper-oak woodlands.
Elevation: 0–600(–1800) m.
Distribution
Ariz., Calif., Mexico, Central America, introduced nearly worldwide.
Discussion
Outside of its typical flowering period, Datura discolor flowers sporadically after rains.
Selected References
None.