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Key to families | Table of families and genera

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SOLANACEAE NIGHTSHADE FAMILY

Michael H. Nee

Annual to shrub.
Leaf: 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, on corolla tube, alternate lobes; ovary superior, generally 2-chambered, style 1.
Fruit: berry, loculicidal or septicidal capsule, [( drupe)], 2–5-chambered.
75 genera, 3000 species: worldwide, especially ± tropics; many alien weeds in CA; many cultivated for food, drugs, or ornamental (potato, tomato, peppers, tobacco, petunia); many TOXIC. [Hunziker 2001 Genera Solanacearum. Koeltz Scientific Books] Nicandra physalodes (L.) Gaertn. is a waif. —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Hunziker 2001 Genera Solanacearum: The Genera of Solanaceae Illustrated, Arranged According to a New System by A.T. Hunziker. Koeltz Scientific Books, Königstein, Germany]

Key to Solanaceae

DATURA JIMSON WEED
Annual to subshrub, hairs ± 0 or simple, ill-smelling.
Leaf: entire to deeply lobed.
Inflorescence: flowers 1 in branch forks.
Flower: calyx circumscissile near base, leaving ± rotate collar in fruit; corolla funnel-shaped, white or ± purple, lobes 5(10); stamens attached below tube middle; ovary 2- or 4-chambered.
Fruit: capsule, leathery or woody, prickly; valves 2–4 or irregular.
Seed: ± flat, black, brown, gray-brown, or tan.
± 13 species: warm regions, especially Mex; several ornamental, some source of drugs. (Hindu: ancient name) All species. TOXIC.

Key to Datura

D. ferox L.
NATURALIZED
Annual < 6 dm.
Stem: ± glabrous to sparsely hairy.
Leaf: 10–20 cm, generally deeply wavy-lobed.
Flower: erect; calyx 2–2.5 cm, angled toward base, lobes 2–4 mm; corolla 4.5–5 cm, glabrous, white or pale blue-purple, lobes 2–4 mm, tips short, narrow; filaments 2 cm, anthers 3 mm; style 2.5 cm.
Fruit: 4-valved, erect, 25 mm wide; prickles few, 8–22 mm, stout.
Seed: ± 4 mm, black.
n=12. Disturbed areas; < 200 m. n Sierra Nevada Foothills (Amador Co.), n San Joaquin Valley, Outer South Coast Ranges; native to Mexico, s South America. Hybridizes with Datura stramonium. Apr–Jun [Online Interchange]
Unabridged note: The following (and possibly other) accessions, if verified, would represent range extensions (as indicated): SJSU3594 (CCo); JEPS110902 (NCoRI); UCD54323 (ScV).

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Next taxon: Datura stramonium

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].

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Bioregions in which taxon occurs Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
map of distribution 1

Chart based on elevation range in Manual and elevations and coordinates of CCH records.
Data provided by the participants of the Consortium of California Herbaria.
Note: About half of the CCH records include both elevation and coordinates.
Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes Manual flowering time.