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FOC | Family List | FOC Vol. 9 | Rosaceae | Padus

4. Padus maackii (Ruprecht) Komarov in Komarov & Alissova, Key Pl. Far. East URSS. 2: 657. 1932.

斑叶稠李 ban ye chou li

Prunus maackii Ruprecht, Bull. Cl. Phys.-Math. Acad. Imp. Sci. Saint-Pétersbourg 15: 361. 1857; Cerasus maackii (Ruprecht) G. V. Eremin & V. S. Simagin; Laurocerasus maackii (Ruprecht) C. K. Schneider; Padus maackii f. lanceolata T. T. Yü & T. C. Ku.

Trees 4–10 m tall. Branches blackish to yellowish brown, glabrous, with pale lenticels; branchlets reddish, pubescent when young. Winter buds ovoid, glabrous or with scale margins ciliate. Stipules linear, margin glandular, apex acuminate. Petiole 1–1.5 cm, pubescent, rarely subglabrous, apically or sometimes at leaf blade base with 2 nectaries; leaf blade elliptic, rhombic-ovate, or rarely oblong-obovate, 4–8 × 2.8–5 cm, abaxially pale green, purplish brown glandular, and pubescent on midvein, adaxially dark green and pubescent to subglabrous on veins, base rounded to broadly cuneate, margin irregularly and acutely glandular serrate, apex caudate-acuminate to shortly acuminate. Racemes 5–7 cm, many-flowered, base leafless; peduncle sparsely pubescent. Flowers 8–10 mm in diam. Pedicel 4–6 mm, to 7 mm in fruit, sparsely pubescent, glabrescent. Hypanthium campanulate, outside pubescent. Sepals triangular to ovate-lanceolate, soon caducous, outside pubescent, margin irregularly glandular serrate, apex long acuminate. Petals white, oblong-obovate, base cuneate and shortly clawed, margin apically erose. Stamens 25–30. Ovary glabrous. Style slightly shorter than stamens; stigma disc-shaped. Drupe purple, subglobose, 5–7 mm in diam., glabrous. Fl. Apr–May, fr. Jun–Oct.

Sparse forests on sunny slopes, forest margins, under pine woods, stream sides; 800--2000 m. Heilongjiang, Jilin, Liaoning. [Korea, Russia (Far East)].


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