Burke: Berberis darwinii vs. Berberis

	Berberis darwinii	Berberis
	darwin's barberry	barberry, mahonia, Oregon-grape
Habit	Evergreen shrubs, 1-3 m. tall, the stems dimorphic, with elongate primary and short axillary shoots; second year bark brown-woolly; stems spiny.
Leaves	Leaves simple; petioles 0.1-0.3 cm. long; leaf blades obovate, 1-veined from the base, 1.7-3 cm. long and 0.9-2 cm. wide, thick and rigid, the base acute, the margins wavy, reflexed, toothed or shallowly lobed, these tipped with spines, the tip rounded, the surface glossy green.
Flowers	Inflorescence a dense, 10- to 20-flowered raceme 3-4 cm. long; flowers yellow, with 6 sepals, 6 petals, and 3 membranous, scale-like bracteoles; stamens 6.
Fruits	Berries purple, spheric, 6-7 mm. in diameter, juicy and firm.

	Berberis darwinii	Berberis
Habitat	Prefers high humidity; rarely escapes cultivation
Distribution	Occasional near the coast in Oregon and California. [WildflowerSearch map] [BONAP county map]	[BONAP county map]
Origin	Introduced	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	B. julianae, B. thunbergii, B. vulgaris
Subordinate taxa		B. darwinii, B. julianae, B. thunbergii, B. vulgaris
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Berberis

darwin's barberry

barberry, mahonia, Oregon-grape

Habit

Evergreen shrubs, 1-3 m. tall, the stems dimorphic, with elongate primary and short axillary shoots; second year bark brown-woolly; stems spiny.

Leaves

Leaves simple;

petioles 0.1-0.3 cm. long;

leaf blades obovate, 1-veined from the base, 1.7-3 cm. long and 0.9-2 cm. wide, thick and rigid, the base acute, the margins wavy, reflexed, toothed or shallowly lobed, these tipped with spines, the tip rounded, the surface glossy green.

Flowers

Inflorescence a dense, 10- to 20-flowered raceme 3-4 cm. long;

flowers yellow, with 6 sepals, 6 petals, and 3 membranous, scale-like bracteoles;

stamens 6.

Fruits

Berries purple, spheric, 6-7 mm. in diameter, juicy and firm.