20. Photinia berberidifolia Rehder & E. H. Wilson in Sargent, Pl. Wilson. 1: 191. 1912.
小檗叶石楠 xiao bo ye shi nan
Shrubs evergreen, to 60 cm tall. Branchlets purplish brown when old, densely appressed villous when young, glabrous when old. Petiole 2.5–6 mm, initially villous, glabrate; stipules linear-lanceolate, nearly as long as petiole, with 2–4 teeth per side; leaf blade obovate or oblong-obovate, 2–5 × 1–2 cm, leathery, midvein prominent, raised abaxially and impressed adaxially, veins 6–10 pairs, abaxially appressed villous, later subglabrous, adaxially lucid, glabrous, base cuneate, margin somewhat incurved, spiny-serrate, apex acute or obtuse. Compound corymbs terminal, 2.5–3 cm; rachis angulate, villous; bracts persistent, linear-lanceolate, subglabrous, with few teeth. Pedicel 2–5 mm, villous. Flowers 9–10 mm in diam. Hypanthium cupular, ca. 3 mm in diam., abaxially sparsely villous. Sepals broadly ovate, apex obtuse. Petals white, suborbicular, 3.5–4 mm in diam., apex usually emarginate. Stamens 20, ca. 1/2 length of petals. Ovary 2-loculed, densely pilose apically; styles 2, connate to middle, villous, not exceeding stamens. Fruit not seen. Fl. May, fr. Aug–Oct.
Mountain valleys; 2200--2400 m. W Sichuan.