二色小檗 er se xiao bo

Shrubs, evergreen, 1-2 m tall. Branches pale yellow-brown or slightly gray, terete, glabrous; spines 3-fid, concolorous, 1-1.5 cm. Leaves shortly petiolate; leaf blade abaxially pale green, adaxially deep green, narrowly elliptic or elliptic-lanceolate, 6-10 × 1.7-2.2 cm, thinly leathery, abaxially pruinose, midvein obviously raised, lateral veins slightly raised, adaxially with obviously impressed midvein, lateral veins slightly raised, both surfaces with indistinct reticulate veins, base cuneate, margin 10-25-spinose-serrate on each side, apex acuminate. Flowers 3-6-fascicled, reddish yellow. Pedicels 1-1.2 cm, slender; bractlets triangular-ovate, 2-2.5 × 1-1.5 mm, apex acute. Sepals in 2 whorls; outer sepals elliptic, ca. 5 × 3 mm, apex acute; inner sepals obovate, ca. 6.2 × 4 mm. Petals obovate, ca. 5 × 3 mm, base clawed, with approximate glands, apex emarginate or subentire. Stamens ca. 3 mm; anther connective not prolonged, truncate. Ovules 2. Berry (immature) green, ellipsoid, slightly pruinose, style not persistent. Fl. Apr-May, fr. Jun-Aug.

● Forests, shaded places on slopes; 1400-1500 m. Guizhou.