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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 California; 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

Shrub 1–4 m, generally with thorns, glabrous, hairy, or glandular-hairy. Leaf: alternate, clustered or not, entire, small, fleshy, generally ± flat to elliptic in ×-section. Inflorescence: clusters; flowers 1–several. Flower: calyx cylindric to bell-shaped, lobes 2–5; corolla funnel- or bell-shaped, ± white, ± green, or ± purple, lobes 4–5; stamens attached at various levels. Fruit: berry, 2-chambered, fleshy [dry]. Seed: 2–many.
± 100 species: warm, dry areas worldwide. (Latin: Lycia, ancient country of Asia Minor)
Unabridged references: [Hitchcock 1932 Ann Missouri Bot Gard 19:179–374]

Key to Lycium

L. pallidum Miers var. oligospermum C.L. Hitchc.
Very thorny, glabrous; branches many, spreading to ascending. Leaf: 10–50 mm, oblong to narrowly obovate, glabrous, glaucous. Flower: calyx 5–8 mm, bell-shaped, lobes 5, ± = tube; corolla narrowly funnel-shaped, green-white, purple-tinged or -veined, tube 8–12 mm; stamens exserted, attached at tube middle. Fruit: 8–10 mm, green-purple, firm. Seed: 5–7.
Flats, washes, slopes; < 1200 m. Mojave Desert, n Sonoran Desert; southern Nevada. Mar–May [Online Interchange]
Unabridged note: Lycium pallidum var. pallidum (corolla tube 12–18 mm, seeds 15+), of Arizona and states to the northern and e, expected in but thus far not documented for eastern Mojave Desert.

Previous taxon: Lycium fremontii
Next taxon: Lycium parishii


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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora,, accessed on Nov 27 2015
Citation for this treatment: [Author of taxon treatment] 2013. Lycium, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on Nov 27 2015

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Geographic subdivisions indicated for the distribution of Lycium pallidum var. oligospermum 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
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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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 eFlora flowering time.