60. Berberis delavayi C. K. Schneider in Sargent, Pl. Wilson. 1: 364. 1913.
显脉小檗 xian mai xiao bo
Berberis delavayi var. wachinensis Ahrendt; B. phanera C. K. Schneider; B. subcoriacea Ahrendt.
Shrubs, evergreen, 1-3 m tall. Branches brownish gray or brownish yellow, terete, glabrous, black verruculose; spines 3-fid, concolorous, 1-3 cm, adaxially sulcate. Leaves shortly petiolate; leaf blade abaxially shiny, both surfaces deep green, oblong-elliptic or elliptic-lanceolate, 4.5-7 × 1.2-1.8 cm, leathery, both surfaces not pruinose, abaxially with raised midvein, adaxially with impressed midvein, both surfaces with conspicuous lateral and reticulate veins, base cuneate, margin undulate, slightly revolute, 7-12-spinose-serrulate on each side, apex acute. Flowers 2-6-fascicled. Pedicels green in flower, red in fruit, slender. Sepals in 3 whorls; outer sepals ovate, ca. 3 × 1.5 mm, apex obtuse; median sepals suborbicular or ovate-orbicular, ca. 5 × 4 mm; inner sepals similar to median sepals in form, ca. 7 × 5.5 mm. Petals oblong-obovate, ca. 5.5 × 4.5 mm, base clawed, with separate glands, apex subrounded, obtusely emarginate. Stamens ca. 3.5 mm; anther connective slightly prolonged, truncate. Ovules 3 or 4. Berry ellipsoid, ca. 1.2 × 0.6 cm, thickly blue pruinose, style not persistent. Fl. Jun-Sep, fr. Oct-Dec.
● Abies forests, thickets, streamsides, Pinus forests; 1800-4000 m. Sichuan, Yunnan.