24. Berberis verruculosa Hemsley & E. H. Wilson, Bull. Misc. Inform. Kew. 1906: 151. 1906.
疣枝小檗 you zhi xiao bo
Shrubs, evergreen, to 1 m tall. Branches brownish yellow, terete, densely verruculose; shoots yellow green, densely pubescent and verruculose; spines pale yellow, 1-2 cm, adaxially subsulcate. Leaves subsessile; leaf blade abaxially grayish green, adaxially shiny, dark green, obovate-elliptic or elliptic, 1-2 × 0.6-1.1 cm, leathery, abaxially pruinose, densely papillose, midvein conspicuously raised, lateral veins 3 or 4 pairs, adaxially with midvein impressed, both surfaces with inconspicuous reticulate veins, base cuneate, margin slightly revolute, 2-4-spinose-serrate on each side, apex acute. Flowers solitary. Pedicels 4-10 mm, glabrous. Sepals in 3 whorls; outer sepals ovate, ca. 4 × 3 mm; median sepals ovate, ca. 6 × 5 mm; inner sepals obovate, ca. 10 × 8 mm. Petals elliptic or obovate, 5.5-6 × ca. 3 mm, base cuneate, with separate glands, apex emarginate or retuse with rounded lobes. Stamens ca. 3.5 mm; anther connective slightly prolonged, rounded. Ovules 4-6. Berry oblong-ovoid, 10-12 × 6-7 mm, pruinose, style not persistent. Fl. May-Jun, fr. Jul-Sep.
● Thickets, rock crevices, forests; 1900-3200 m. Gansu, Sichuan, Yunnan.