甘南小檗 gan nan xiao bo

Shrubs, deciduous, ca. 1.5 m tall. Branches purplish black, terete, glabrous, scarcely black verruculose; spines simple, concolorous, 1-2 cm, adaxially sulcate. Leaves subsessile; leaf blade abaxially pale green, adaxially green, elliptic or obovate-elliptic, 8-20 × 4-10 mm, papery, abaxially not pruinose, midvein and lateral veins obviously raised, reticulate veins slightly conspicuous, adaxially with slightly raised midvein and lateral veins, reticulate veins inconspicuous, base cuneate, margin entire, apex rounded, obtuse. Inflorescence an umbellate raceme, 3-7-flowered, 3-4 cm including peduncle 1-1.6 cm, glabrous. Pedicels ca. 1 cm, glabrous. Sepals in 2 whorls; outer sepals elliptic, 3.8-4 × 2-2.1 mm; inner sepals broadly elliptic, 4-4.2 × 3-3.2 mm. Petals elliptic, 5-5.5 × 3-3.4 mm, base cuneate, with separate elliptic glands, apex entire. Stamens ca. 3 mm; anther connective not prolonged, truncate. Ovules 3, shortly funiculate. Fruit unknown. Fl. May, fr. unknown.

● Forests; ca. 1800 m. Gansu.