天山樱桃 tian shan ying tao

Cerasus prostrata (Labillardière) Seringe var. concolor Boissier; Prunus prostrata Labillardière var. concolor (Boissier) Lipsky.

Shrubs 1–1.5 m tall. Branchlets grayish brown; young branchlets grayish white tomentose. Winter buds ovoid, sparsely white tomentose. Stipules linear, ca. 2 mm. Petiole 1–2 mm, glabrous; leaf blade obovate-oblanceolate, 8–16 × 3–7 mm, glabrous, abaxially pale green, adaxially green, base cuneate, margin acutely serrate, apex obtuse to acute; secondary veins 4 or 5 on either side of midvein. Flowers solitary, opening at same time as leaves. Pedicel ca. 1.5 mm, glabrous. Hypanthium tubular, 2–8 × ca. 2.5 mm, outside glabrous. Sepals ovate-triangular, outside glabrous, inside white tomentose, apex acute. Petals pale red, obovate. Stamens ca. 22, usually included in hypanthium. Style nearly as long as stamens, basally sparsely villous. Drupe purplish red, globose, 6–7 mm in diam., apex sparsely villous; endocarp smooth. Fl. Apr–May, fr. Jun–Jul.

Forests, meadows on mountain slopes; 700--1600 m. Xinjiang [C Asia].