贵州小檗 gui zhou xiao bo

Berberis dolichostemon Ahrendt; B. emilii C. K. Schneider; B. liophylla C. K. Schneider var. conglobata Ahrendt; B. praecipua C. K. Schneider var. major Ahrendt.

Shrubs, evergreen, ca. 2 m tall. Branches brownish gray; shoots brownish yellow, very sulcate, sparsely black verruculose; spines 3-fid, 1-2.5 cm, adaxially slightly sulcate or flat. Petiole 1-2.5 mm; leaf blade abaxially yellow-green, adaxially dark green, elliptic or oblong-elliptic, 2.5-6 × 1-1.5 cm, leathery, both surfaces not pruinose, abaxially with conspicuously raised midvein, adaxially with obviously impressed midvein, both surfaces with slightly prominent lateral veins, reticulate veins indistinct, base cuneate, margin slightly revolute, 6-15-spinose-serrate on each side, apex obtuse or subacute. Flowers 5-20-fascicled. Pedicels 8-20 mm, slender; bractlets ovate, ca. 2.5 mm, apex acuminate. Sepals in 2 whorls; outer sepals ovate or narrowly ovate, ca. 3 × 1 mm, apex obtuse or acute; inner sepals obovate or narrowly obovate, 2-4.5 × 1-1.5 mm, apex subacute. Petals ovate or obovate, ca. 5.5 × 2.8 mm, base with separate glands, apex incised. Stamens 2.5-4 mm; anther connective truncate. Ovules solitary, shortly funiculate. Berry black, oblong, 7-8 × ca. 4 mm, not pruinose, style persistent. Fl. Apr-May, fr. Jul-Oct.

● Thickets, roadsides, forests; 900-1800 m. Guizhou, Yunnan.