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Vascular Plants of California
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Berberis vulgaris


Higher Taxonomy
Family: BerberidaceaeView DescriptionDichotomous Key
Common Name: BARBERRY FAMILY
Habit: Perennial herb, shrub, [tree], generally rhizomed, caudexed or not, glabrous, glaucous, or hairy. Stem: spreading to erect, branched or not. Leaf: simple, 1--3-ternate, or pinnately compound, basal and cauline, generally alternate, deciduous or evergreen, petioled, stipuled. Inflorescence: generally raceme, spike, or panicle, scapose, terminal, or axillary. Flower: generally bisexual, radial; sepals 6--18 or 0, generally in whorls of 3; petals generally 6, in 2 whorls of 3, or 0; stamens 6--12(13), free or fused at base, in 2 whorls or not, anthers dehiscent by flap-like valves or longitudinal slits; ovary superior, chamber 1, ovules generally 1--10, style 1 or 0, stigma flat or spheric. Fruit: berry, capsule, achene [follicle].
Genera In Family: 16 genera, +- 670 species: temperate, tropics worldwide; some cultivated (Berberis, Epimedium, Nandina (heavenly bamboo), Vancouveria). Note: Lower sepals sometimes called "bracteoles," inner petals "staminodes".
eFlora Treatment Author: Michael P. Williams
Scientific Editor: Thomas J. Rosatti.
Genus: BerberisView DescriptionDichotomous Key


Common Name: OREGON-GRAPE, BARBERRY
Habit: Shrub, generally rhizomed. Stem: spreading to erect, branched, spiny or not, vine-like or not; inner bark, wood generally bright yellow; over-wintering bud scales deciduous or not. Leaf: simple or pinnately compound, cauline, alternate, generally leathery, generally persistent; leaflets generally 3--11, +- round to lanceolate, generally spine-toothed. Inflorescence: raceme, axillary or terminal. Flower: sepals 9 in 3 whorls of 3; petals 6 in 2 whorls of 3, bases generally glandular; stamens 6; ovules 2--9, stigma +- spheric. Fruit: berry, spheric to elliptic, generally purple-black.
Etymology: (Latin: ancient Arabic name for barberry) Toxicity: Roots often TOXIC: spines may inject fungal spores into skin. Note: Contact with filament causes stamen to snap inward, possibly to deposit pollen on pollinator.
Reference: Kim 2004 J Pl Res 117:175--182
Unabridged Reference: Moran 1982 Phytologia 52:221--226, for relationship between Berberis, Mahonia.
Berberis vulgaris L.
NATURALIZED
Stem: ascending to erect, 1.5--3 m; single nodal spines present, 4--8 mm. Leaf: deciduous, 2--5 cm, simple, obovate to obovate-oblong, fine-dentate, spines 8--24 per side, < 1 mm; petiole 0.1--1 cm. Inflorescence: 3--6 cm; flowers 10--20. Fruit: 10--15 mm, elliptic, red-purple.
Ecology: Disturbed areas; Elevation: 500--1000 m. Bioregional Distribution: NW; Distribution Outside California: eastern United States; native to Europe. Flowering Time: Mar--Jun Note: Principal alternate host of wheat stem rust (Puccinia graminis Pers.).
Jepson eFlora Author: Michael P. Williams
Reference: Kim 2004 J Pl Res 117:175--182
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

Previous taxon: Berberis pinnata subsp. pinnata
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Citation for this treatment: Michael P. Williams 2012, Berberis vulgaris, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=15584, accessed on April 19, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 19, 2024.

No expert verified images found for Berberis vulgaris.



Geographic subdivisions for Berberis vulgaris:
NW
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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).





 

Data provided by the participants of the  Consortium of California Herbaria.
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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).