Berberis fendleri A. Gray

Berberis fendleri is susceptible to infection by Puccinia graminis .

Shrubs , deciduous, 1-2 m. Stems dimorphic, with elongate primary and short axillary shoots. Bark of 2d-year stems purple, glabrous. Bud scales 1-2 mm, deciduous. Spines present, simple or 1-2-pinnately branched. Leaves simple; petioles 0.2-0.7 cm. Leaf blade narrowly elliptic, 1-veined from base, 1.7-4.6 × 0.6-1.7 cm, thin and flexible, base long-attenuate, margins plane, entire or toothed, each with 3-12 teeth 0-1 mm high tipped with bristles to 0.4-1.4 × 0.1-0.2 mm, apex acute to obtuse or rounded; surfaces abaxially dull or glossy and smooth, adaxially dull or glossy and not glaucous. Inflorescences racemose, lax, 4-15-flowered, 1.5-4.5 cm; bracteoles membranous, apex acuminate. Flowers: anther filaments without distal pair of recurved lateral teeth. Berries red, not glaucous, oblong-ellipsoid, 6-8 mm, juicy, solid.

Colo., N.Mex., Utah.

Flowering spring-summer (May-Aug).

Slopes and canyon bottoms; 1300-2700m.

Berberis fendleri, commonly known as Colorado barberry, is a shrub native to canyons and mountain slopes in the western United States (Colorado, New Mexico, and Utah).

Berberis fendleri là một loài thực vật có hoa trong họ Hoàng mộc. Loài này được A.Gray mô tả khoa học đầu tiên năm 1849.