3. Cerasus japonica (Thunberg) Loiseleur-Deslongchamps, Traité Arbr. Arbust. 5: 33. 1812.
郁李 yu li
Shrubs 1–1.5 m tall. Branchlets grayish brown; young branchlets green to greenish brown, glabrous. Winter buds ovoid, glabrous. Stipules linear, 4–6 mm, margin glandular serrate. Petiole 2–5 mm, glabrous or pilose; leaf blade ovate to ovate-lanceolate, 3–7 × 1.5–2.5 cm, abaxially pale green and glabrous or pilose along veins, adaxially dark green and glabrous, base rounded, margin acutely incised biserrate or deeply serrate, apex acuminate; secondary veins 5–8 on either side of midvein. Flowers solitary or to 3 in a fascicle, opening at same time as leaves or before. Pedicel 0.5–2 cm, glabrous or pilose. Hypanthium turbinate, 2.5–3 × 2.5–3 mm, outside glabrous. Sepals elliptic, slightly longer than hypanthium, margin serrulate, apex rounded. Petals pink or white, obovate-elliptic. Stamens ca. 32. Style nearly as long as stamens, glabrous. Drupe dark red, subglobose, ca. 1 cm in diam.; endocarp smooth. Fl. May, fr. Jun–Aug.
Forests on mountain slopes, thickets, sunny mountain slopes, also cultivated; 100--200 m. Hebei, Heilongjiang, Henan, Jilin, Liaoning, Shandong, Zhejiang [Japan, Korea].