Jepson eFlora: Taxon page
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Lycium cooperi

Higher Taxonomy
Family: SolanaceaeView DescriptionDichotomous Key

Habit: 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.
Genera In Family: 75 genera, 3000 species: worldwide, especially +- tropics; many alien weeds in California; many cultivated for food, drugs, or ornamental (potato, tomato, peppers, tobacco, petunia). Toxicity: many TOXIC. Note: Nicandra physalodes (L.) Gaertn. is a waif.
eFlora Treatment Author: Michael H. Nee
Scientific Editor: Thomas J. Rosatti.
Genus: LyciumView DescriptionDichotomous Key

Habit: 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.
Species In Genus: +- 100 species: warm, dry areas worldwide. Etymology: (Latin: Lycia, ancient country of Asia Minor)

Lycium cooperi A. Gray
Habit: Glandular-puberulent; branches rigidly ascending to erect, leafy. Leaf: 1--3 cm, oblanceolate to obovate. Flower: calyx 8--15 mm, narrowly bell-shaped, lobes 4--5, 1.5--3 mm, 1/2 to = tube; corolla narrowly funnel-shaped, green-white, lavender-tinged or -veined, abaxially glabrous or puberulent, tube 9--12 mm, lobes ovate-triangular; stamens +- exserted, attached +- at tube middle. Fruit: 5--9 mm, yellow to orange, with 2 cross-grooves above middle. Seed: several.
Ecology: Sandy to rocky flats, washes; Elevation: < 2000 m. Bioregional Distribution: SNH (e slope), s SnJV, SNE, D; Distribution Outside California: to Utah, Arizona. Flowering Time: Mar--May
eFlora Treatment Author: Michael H. Nee
Jepson Online Interchange

Previous taxon: Lycium californicum
Next taxon: Lycium fremontii

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botanical illustration including Lycium cooperi


Citation for this treatment: Michael H. Nee 2017. Lycium cooperi, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on October 20, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora,, accessed on October 20, 2017.

Lycium cooperi
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© 2011 Steve Matson
Lycium cooperi
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© 2017 Julie Kierstead Nelson
Lycium cooperi
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© 2009 Keir Morse
Lycium cooperi
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© 2017 Julie Kierstead Nelson
Lycium cooperi
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© 2010 Aaron Schusteff
Lycium cooperi
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© 2006 James M. Andre

More photos of Lycium cooperi in CalPhotos

Geographic subdivisions for Lycium cooperi:
SNH (e slope), s SnJV, SNE, D;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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).

View elevation by latitude chart
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.