Description from Flora of China
Prunus subhirtella Miquel, Ann. Mus. Bot. Lugduno-Batavi 2: 91. 1865-66; P. herincquina Koehne; P. microlepis Koehne; P. subhirtella var. ascendens E. H. Wilson.
Trees 3–10 m tall. Bark grayish brown. Young branchlets green, densely white pubescent. Winter buds ovoid; bud scale margin pilose. Stipules brown, linear, shorter than petiole, margin glandular dentate. Petiole 5–8 mm, white pubescent; leaf blade ovate to ovate-oblong, 3–6 × 1.5–3 mm, abaxially pale green and apressed white pilose or more densely so along midvein, adaxially dark green and glabrous or appressed pilose on veins, base broadly cuneate, margin sharply biserrate, apex acuminate; secondary veins 10–14 on each side of midvein, straight and parallel. Inflorescences umbellate, 2- or 3-flowered; involucre bracts obovate, ca. 4 × 3 mm, outside pilose, soon deciduous after flowering. Flowers opening at same time as leaves. Pedicels 1–2 cm, pilose. Hypanthium tubular to nearly urceolate, 4–5 × 2–3 mm, base dilated, outside apressed white pilose. Sepals oblong-ovate, nearly as long as hypanthium, margin laxly dentate, apex acuminate. Petals pale red, obovate to oblong, apex concave. Stamens ca. 10. Style base pilose. Drupe black, ovoid; endocarp sculptured. Fl. Apr, fr. Jun.
Cultivated mainly in Anhui, Jiangxi, Sichuan, and Zhejiang [native to Japan].