Description from Flora of China
Berberis integerrima Franchet, Bull. Soc. Bot. France 33: 386. 1886, not Bunge (1843), nor K. Koch (1869); B. jamesiana var. leucocarpa (W. W. Smith) Ahrendt; B. jamesiana var. sepium Ahrendt; B. leucocarpa W. W. Smith; B. nummularia Bunge var. sinica C. K. Schneider.
Shrubs, deciduous, 1-3 m tall. Branches dark gray or purplish black, terete; shoots purple, not verruculose; spines simple or 3-fid, 1.5-3.5 cm, stout, adaxially slightly sulcate. Petiole 1-3 mm; leaf blade adaxially shiny, green, elliptic or oblong-obovate, 2.5-8 × 1-4 cm, subleathery, adaxially with obviously raised midvein, both surfaces not papillose, lateral and reticulate veins conspicuous, base cuneate, margin entire or closely spinulose, apex rounded or retuse. Inflorescence a raceme, 9-20-flowered, sometimes to 40-flowered and compound below, 7-10 cm; peduncles 0.5-3 cm. Pedicels 7-10 mm, slender, glabrous; bractlets ovate, 2-2.5 × ca. 1.5 mm, apex acute. Sepals in 2 whorls; outer sepals oblong-obovate, ca. 3 × 2 mm; inner sepals narrowly obovate, ca. 4.5 × 2.5 mm. Petals obovate or narrowly oblong-elliptic, ca. 4.5 × 2 mm, base clawed, with separate glands, apex emarginate, lobes acute. Stamens ca. 3 mm; anther connective prolonged, slightly apiculate. Ovules 2. Berry initially creamy white, finally light red, subglobose, ca. 10 × 7-8 mm, translucent, not pruinose, style not persistent. Fl. Apr-May, fr. Jun-Sep.
● Thickets, forests, forest margins, riversides, mountain slopes; 2100-3600 m. Sichuan, Xizang, Yunnan.