18. Cerasus polytricha (Koehne) T. T. Yu & C. L. Li, Fl. Reipubl. Popularis Sin. 38: 56. 1986.
多毛樱桃 duo mao ying tao
Prunus polytricha Koehne in Sargent, Pl. Wilson. 1: 204. 1912.
Trees or shrubs, 2–10 m tall. Bark black to grayish brown. Branchlets grayish reddish brown, densely villous. Winter buds ellipsoid-ovoid; scales abaxially pilose. Stipules oblong-lanceolate, sparsely villous, margin gland-tipped fimbriate. Petiole 8–10 mm, densely spreading villous, apex usually with 1–3 nectaries; leaf blade obovate to obovate-oblong, 4–8 × 2–4 cm, abaxially pale green, densely laterally spreading villous, and sparsely and appressed pubescent between veins, adaxially green and sparsely pubescent, base subrounded, margin serrate or biserrate and teeth with a minute apical gland, apex acuminate; secondary veins 7–11 on either side of midvein. Inflorescences umbellate or subumbellate, 2–4-flowered; involucral bracts obovate-elliptic, 6–8 × 4–5 mm, abaxially subglabrous, adaxially sparsely villous; peduncle 2–10 mm, spreading pilose; bracts green, ovate to suborbicular, 4–8 mm, persistent in fruit, margin serrate, teeth with a capitate apical gland. Pedicel 1–2 cm, densely villous. Hypanthium campanulate, 4–5 × 4–5 mm, outside densely villous. Sepals ovate-triangular, margin glandular serrate, apex obtuse to acute. Petals white or pink, ovate. Stamens 20–30. Style basally pilose; stigma capitate. Drupe red, globose, 7–8 mm in diam.; endocarp sculptured. Fl. Apr–May, fr. Jun–Jul.
Forests on mountain slopes, forest margins beside streams; 900--3300 m. Gansu, Guizhou, Henan, Hubei, Shaanxi, Sichuan.