北京小檗 bei jing xiao bo

Shrubs, deciduous, ca. 1 m tall. Branches stramineous or pale brownish stramineous, sulcate, glabrous, sparsely black verruculose; spines simple, occasionally 3-fid, concolorous, 5-8 mm, adaxially slightly sulcate. Leaves subsessile; leaf blade abaxially pale green, adaxially green, narrowly oblanceolate, 1-4 cm × 3-6 mm, thinly papery, abaxially glabrous, not pruinose, midvein distinctly raised, adaxially with slightly raised midvein, both surfaces with conspicuously raised lateral and reticulate veins, base attenuate, margin entire, apex acute. Inflorescence a panicle, 15-30-flowered, 3-7 cm including peduncle 1-1.5 cm, glabrous; bracts lanceolate, 2-3.5 mm. Pedicels 2-5 mm, glabrous; bractlets lanceolate, ca. 2 mm. Sepals in 2 whorls; outer sepals elliptic, 2-2.5 × 1-1.3 mm; inner sepals obovate, 3-3.5 × 1.5-1.8 mm. Petals elliptic, 3-3.2 × 1.2-1.5 mm, base cuneate, with separate glands, apex emarginate or entire. Stamens ca. 2.1 mm; anther connective not prolonged, truncate. Ovules solitary, funiculate. Fruit unknown. Fl. May-Jun, fr. unknown.

● Thickets on slopes; ca. 100 m. Hebei, Shandong.