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

8. Cerasus maximowiczii (Ruprecht) Komarov in Komarov & Alissova, Key Pl. Far. East URSS. 2: 657. 1932.

黑樱桃 hei ying tao

Prunus maximowiczii Ruprecht, Bull. Cl. Phys.-Math. Acad. Imp. Sci. Saint-Pétersbourg 15: 131. 1857; Padellus maximowiczii (Ruprecht) Eremin & Yushev; Padus maximowiczii (Ruprecht) Sokolov.

Trees to 7 m tall. Bark dark gray. Branchlets grayish brown; young branchlets tinged brown, densely villous. Winter buds long ovoid, appressed pubescent. Stipules linear, soon caducous after anthesis, margin with distant dark purple glands. Petiole 0.5–1.5 cm, densely villous; leaf blade obovate to obovate-elliptic, 3–9 × 1.5–4 cm, abaxially pale green and glabrous except appressed pilose along midvein and secondary veins, adaxially green and glabrous or appressed pilose along midvein, base cuneate to rounded, margin biserrate and non-glandular, apex cuspidate to shortly caudate; secondary veins 6–9 on either side of midvein. Inflorescences corymbose, 5–10-flowered; involucral bracts spatulate-oblong, 10–15 × 5–6 mm, soon caducous after anthesis, abaxially pilose, margin with distinct dark red tiny glands; rachis densely appressed villous; bracts green, leaflike, ovate, 5–7 × 5–4 cm, margin acutely serrate and non-glandular or inconspicuously glandular. Flowers ca. 1.5 cm in diam., opening at same time as leaves. Pedicel 0.5–1.5 cm, densely appressed villous. Hypanthium obconical, 3–4 × 2.5–3 mm, outside appressed pubescent. Sepals elliptic-triangular, ± as long as hypanthium, margin distantly serrate and teeth with an inconspicuous minute apical gland or non-glandular, apex acuminate. Petals white, elliptic, 6–7 × 5–6 mm. Stamens ca. 36. Style nearly as long as stamens; stigma capitate. Drupe black when ripe, ovoid, 7–8 × 5–6 mm; endocarp markedly sculptured. Fl. Jun, fr. Sep.

Shady mountain forests, stony places with humus soil, sometime escape on open mountain slopes with shrubby or herbaceous vegetation; 1000--1100 m. Heilongjiang, Jilin, Liaoning, Zhejiang [Japan, Korea, Russia (Far East)].


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