刺毛樱桃 ci mao ying tao

Prunus setulosa Batalin, Trudy Imp. S.-Peterburgsk. Bot. Sada 12: 165. 1892; P. gracilifolia Koehne.

Shrubs or small trees, 1.5–5 m tall. Bark grayish brown. Branchlets grayish white to brown, glabrous. Winter buds ovoid, glabrous. Stipules ovate-oblong to obovate-oblanceolate, 4–8 × 1.5–3 mm, margin gland-tipped fimbriate. Petiole 4–8 mm, glabrous; leaf blade ovate, obovate, or ovate-elliptic, 2–5 × 1–2.5 cm, abaxially pale green, pilose along veins, and with tufted hairs in vein axils, adaxially green and appressed strigose, base rounded, margin obtusely biserrate gland-tipped fimbriate, apex caudate-acuminate to cuspidate; secondary veins 6–8 on either side of midvein. Inflorescences umbellate, 2-or 3-flowered; involucral bracts brown, spatulate, ca. 5 × 1.5 mm, soon caducous, adaxially hairy, margin glandular; peduncle 5–7 mm, glabrous; bracts 2 or 3, green, foliose, ovate, 0.5–2 cm, both surfaces sparsely strigose, margin gland-tipped serrate. Flowers 6–8 mm in diam., opening at same time as leaves. Pedicel 0.8–1.2 cm, pilose or glabrous. Hypanthium tubular, 5–6 × 3–4 mm, outside sparsely strigose. Sepals triangularly long ovate, 2–3 mm, spreading, both surfaces pilose, margin distantly serrate, apex acute. Petals pink, obovate to suborbicular. Stamens 30–40, shorter than sepals. Style slightly longer or nearly equaling stamens, pilose basal to middle. Drupe red, ovoid-ellipsoid, ca. 8 × 6 mm; endocarp ± sculptured. Fl. Apr–Jun, fr. Jun–Aug.

Forests or thickets in ravines, mountain slopes; 1300--2600 m. Gansu, Guizhou, Hubei, Ningxia, Qinghai, Shaanxi, Sichuan.