Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Michael Nee

Annual to shrub
Leaves generally simple, generally alternate, generally petioled; stipules 0; blade entire to deeply lobed
Inflorescence various
Flower bisexual; calyx lobes generally 5; corolla ± radial, cylindric to rotate, lobes generally 5; stamens 5, alternate corolla lobes; ovary superior, generally 2-chambered, style 1
Fruit: berry or capsule, 2–5-chambered
Genera in family: 75 genera, 3000 species: worldwide, especially ± tropical; many alien weeds in CA; many cultivated for food, drugs, or ornamental (potato, tomato, peppers, tobacco, petunia); many TOXIC.



Annual to subshrub, ± glabrous or hairs simple, ill-smelling
Leaf entire to deeply lobed
Inflorescence: flowers solitary in branch forks
Flower: calyx circumscissile near base, leaving a ± rotate collar in fruit; corolla funnel-shaped, white or purplish, lobes 5(10); filaments attached below middle of corolla tube; ovary 2- or 4-chambered
Fruit: capsule, leathery or ± woody, generally prickled; valves 2–4, or indefinite
Seeds ± flat, black, brown, grayish brown, or tan
Species in genus: ± 13 species: warm regions, especially Mex
Etymology: (Hindu: ancient name)
All species. HIGHLY TOXIC; several ornamental, some source of drugs.


D. wrightii Regel

Annual or perennial herb 5–15 dm
Stem whitish puberulent
Leaf 7–20 cm, ovate, entire or coarsely lobed
Flower erect to nodding; calyx 8–12 cm, ribbed toward base, lobes ± 2 cm; corolla 15–20 cm, puberulent, white, lobes 1–2 cm, tips long, narrow; filaments 13–15 cm, anthers 12–15 mm; style 15–18 cm
Fruit irregularly valved, nodding, 25–30 mm wide, puberulent; prickles 5–12 mm
Seeds 5 mm, flat, tan; margin grooved
Chromosomes: n=12
Ecology: Sandy or gravelly open areas
Elevation: < 2200 m.
Bioregional distribution: Inner North Coast Ranges, c&s Sierra Nevada Foothills, Tehachapi Mountain Area, Great Central Valley, Central Western California, Southwestern California, Desert
Distribution outside California: to Utah, Texas, Mexico
Flowering time: Apr–Oct
Sometimes cultivated for showy flowers; may have been introduced by early Spanish; may be the same as D. inoxia J.S. Mill
Synonyms: D. meteloides A.DC
, native to Mex
Horticultural information: DRN, SUN: 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 &IRR: 11, 12, 13; occasionally. INV.

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