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

26. Cerasus trichantha (Koehne) S. Y. Jiang & C. L. Li

毛瓣藏樱 mao ban zang ying

Basionym: Prunus trichantha Koehne in Sargent, Pl. Wilson. 1: 254. 1912; Cerasus rufa (J. D. Hooker) T. T. Yü & C. L. Li var. trichantha (Koehne) T. T. Yü & C. L. Li; P. imanishii S. Kitamura; P. rufa J. D. Hooker var. trichantha (Koehne) H. Hara.

Tree, 2–10 m tall. Young branchlets pubescent, soon glabrescent. Winter buds ovoid, glabrous or apex of bud scales pilose. Stipules linear to lanceolate. Petiole 5–10 mm, densely hairy or pilose; leaf blade obovate-lanceolate to obovate-elliptic, (3–)5–12 × 2.5–5.5 cm, abaxially villous along veins, adaxially pilose but soon glabrescent, base cuneate, margin sharply serrulate and teeth apically with conical to capitate glands, apex acuminate to caudate-acuminate; secondary veins 9–11 on each side of mivein. Inflorescences 1- or 2-flowered or several in an umbel, 3–4.5 cm; involucral bracts brown, spatulate-oblong, 7–10 × 3–4 mm, outside glabrous, inside densely villous, margin glandular serrate; peduncle very short to subsessile, glabrous; bracts green or brown, 10–12 × 1.2–2.5 mm, margin glandular. Flowers opening at same time as leaves. Pedicel 1–2.2 cm, glabrous. Hypanthium tubular to campanulate, (8–)10–15 × 4–5 mm, outside hairy. Sepals straight or spreading, ovate-triangular, 2–3(–4) mm, ca. 1/2 as long as hypanthium to very short, margin sparsely glandular. Petals white or pink, ovate, 5–6 × 4–6 mm, margin entire or apically erose, outside pilose. Stamens ca. 45. Ovary glabrous, apex obuse and not lobed. Style pubescent basally from middle. Drupe ellipsoid to obovoid, ca. 1.1 × 1.8 cm. Fl. May–Jun, fr. Jul.

Sparse forests, forest margins, thickets, mountain slopes; 2800--3900 m. Xizang [Nepal, Sikkim].


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