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common barberry, European barberry

Habit Low, evergreen shrubs generally 0.1-0.3 m, occasionally taller; glabrous, brown to yellow-brown bark. Deciduous, upright shrub to 4 m. tall, the stems with 3-pointed spines at the nodes.
Leaves

in whorls, obcordate to oblanceolate, with numerous fine, sharp teeth.

Flowers

Inflorescence of bracteate, pendant racemes;

perianth of 5 alternating whorls of 3 members each; outer 3 greenish-yellow, 2-3 mm. long (bracts); next 6 bright yellow, 6-8 mm. long (sepals); inner 6 bright yellow, slightly shorter, bi-lobed, oblong (petals);

stamens 6, opposite the petals;

style none, stigma sessile.

Fruits

Berry scarlet, ellipsoid.

Leaves

Leaves alternate, pinnately-compound, leathery;

leaflets 9-21, glossy to somewhat dull and glaucous, lance-ovate to ovate, 3-8 cm long and 1-5 cm broad, 4-6 veins from base, somewhat dull and glaucous, 6-13 spine-tipped teeth.

Flowers

Inflorescences dense racemes, 6-17 cm long with 30-70 flowers;

bracts 3, greenish-yellow, 2-3 mm long;

sepals 6, yellow, 6-8 mm long;

petals 6, yellow, bi-lobed;

stamens 6, opposite of petals; pair of lateral teeth absent from filaments;

style none, stigma sessile.

Fruits

Berries blue, glaucous, juicy, solid, oblong-ovoid to globose, 8-11 mm.

Berberis nervosa

Berberis vulgaris

Flowering time April-May April-June
Habitat Generally in light woodland and forest edge. Dry waste ground, forest understory, and other disturbed sites.
Distribution
Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to western Montana.
[WildflowerSearch map]
Occurring east of the Cascades crest in Washington; British Columbia to Washington, east to Idaho and Montana; also occurring in central and northeastern North America.
[WildflowerSearch map]
[BONAP county map]
Origin Native Introduced from Europe
Conservation status Not of concern Not of concern
Sibling taxa
B. darwinii, B. julianae, B. thunbergii, B. vulgaris
B. darwinii, B. julianae, B. thunbergii
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