Jepson eFlora: Taxon page
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Berberis harrisoniana
KOFA MOUNTAIN BARBERRY

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.
Species In Genus: +- 600 species: temperate worldwide. 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.

Berberis harrisoniana Kearney & Peebles
NATIVE
Stem: erect, 0.5--1.5 m; bud scales < 5 mm, generally deciduous. Leaf: 3--5 cm, crowded on short lateral stems; petiole 3--5 cm; leaflets generally 3, palmate, sessile, terminal 3--5.5 cm, 2.5--4 cm wide, rhombic-oblong or triangular, leathery, base truncate to wedge-shaped (or asymmetric on lateral leaflets), tip sharp-acuminate, margin divergently lobed, spine-tipped teeth 3--5, 3--5 mm. Inflorescence: 1.5--2.5 cm, open; axis internodes 2--10 mm, 5--10 mm in fruit; flowers 6--11. Fruit: 5--6 mm diam, +- spheric to ovoid, blue-black. Seed: 3--4 mm.
Ecology: Rocky or talus slopes, thorn scrub; Elevation: 750--850 m. Bioregional Distribution: e DSon (Whipple Mtns); Distribution Outside California: to western Arizona. Flowering Time: Jan--Mar
eFlora Treatment Author: Michael P. Williams
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

Previous taxon: Berberis haematocarpa
Next taxon: Berberis higginsiae

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Citation for this treatment: Michael P. Williams 2016. Berberis harrisoniana, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=15580, accessed on May 05, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 05, 2016.


Berberis harrisoniana
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© 2006 Aaron Schusteff

More photos of Berberis harrisoniana in CalPhotos


Geographic subdivisions for Berberis harrisoniana:
e DSon (Whipple Mtns);
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.
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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).

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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.