松潘小檗 song pan xiao bo

Berberis brachystachys T. S. Ying.

Shrubs, deciduous, 1-2 m tall. Branches dark gray, sulcate, sparsely verruculose; shoots pale purplish red; spines 3-fid or simple, concolorous, 1-2 cm, adaxially slightly sulcate. Petiole 2-8 mm; leaf blade abaxially yellow-green, adaxially dark grayish green, elliptic or elliptic-obovate, 1-3.5 × 0.4-1.5 cm, papery, both surfaces glabrous, not pruinose, abaxially with conspicuously raised midvein, adaxially with slightly impressed midvein, both surfaces with dense, obviously raised reticulate veins, base cuneate, margin closely 5-7-spinose-serrate on each side, apex rounded or obtuse. Inflorescence a raceme, 7-14-flowered, 2-3 cm, sometimes with few fascicled flowers at base; bracts ovate, ca. 1 mm. Pedicels 4-6 mm, glabrous; bractlets ca. 2.5 × 1.3 mm, apex acute. Sepals in 2 whorls; outer sepals oblong, 4-4.8 × 2.3-2.8 mm; inner sepals obovate, 5.5-6.5 × 3.5-4 mm. Petals obovate, 5-5.8 × 3-3.5 mm, base clawed, with separate ovate glands, apex entire. Stamens ca. 3.5 mm; anther connective prolonged, apiculate. Ovules 1 or 2. Berry pink or pale red, obovoid-oblong, 8-10 × 5-6 mm, not pruinose, style not persistent. Fl. Apr-Jun, fr. Jul-Sep.

● Thickets, forests, weedy slopes, roadsides; 1700-4200 m. Gansu, Qinghai, Shanxi, Sichuan, Xizang.