Prunus tatsienensis Batalin

Shrubs or small trees, 2–5 m tall. Bark grayish brown. Branchlets gray, pilose or glabrous. Winter buds ovoid, glabrous. Stipules elliptic-lanceolate to ovate-lanceolate, margin serrate, teeth with a disciform apical gland. Petiole 8–10 mm, glabrous or pilose, apex with or without nectaries; leaf blade ovate to ovate-elliptic, 1–4.5 × 1–2.5 cm, abaxially pale green, glabrous or with tufted hairs in vein axils, adaxially green and subglabrous, base rounded, margin biserrate and teeth with a minute apical gland, apex acuminate; secondary veins 6–9 on either side of midvein. Inflorescences umbellate or subumbellate, 2–4-flowered; involucral bracts purplish brown, spatulate, ca. 8 × 4 mm, abaxially glabrous or sparsely villous; peduncle 5–12 mm, glabrous or pilose; bracts green, elliptic to suborbicular, 3–5 mm in diam., margin with disciform glands. Flowers ca. 1.5 cm in diam., opening at same time as leaves. Pedicel 1–2 cm, glabrous. Hypanthium campanulate, 3–4 × 2–3 mm, outside glabrous. Sepals ovate-triangular, nearly 1/2 as long as hypanthium, margin entire or distantly serrate, apex acute to obtuse. Petals white or pink, ovate. Stamens 20–35. Style nearly as long as stamens; stigma capitate. Fl. Apr–Jul, fr. Jun–Jul.

Henan, Hubei, Shaanxi, Shanxi, Sichuan, Yunnan.

Forests; 900--2600 m.

Prunus tatsienensis Batalin, Trudy Imp. S.-Peterburgsk. Bot. Sada 14: 322. 1895.