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

51. Sorbus salwinensis T. T. Yu & L. T. Lu, Acta Phytotax. Sin. 13(1): 102. 1975.

怒江花楸 nu jiang hua qiu

Trees 6–8 m tall. Branchlets grayish brown or gray when young, blackish brown and glabrous when old, terete, with numerous oblong and elliptic small lenticels; buds ovate, 5–8 mm, apex ± obtuse; scales several, reddish brown. Leaves simple; petiole 3–8 mm, pubescent, gradually glabrescent; leaf blade dark green adaxially, oblong-lanceolate to obovate-lanceolate, (6–)8–14 × 1.5–3.5 cm, lateral veins 11–17 pairs, nearly parallel and terminating in marginal teeth, raised abaxially and impressed adaxially, abaxially pubescent along veins, adaxially initially sparsely puberulous, glabrate, base cuneate, margin minutely serrate, apex acuminate to caudate-acuminate. Compound corymbs terminal, 5.5–8 × 7–10 cm when mature, densely flowered; rachis and pedicels glabrous when mature, with distinct elliptic or oblong lenticels. Pedicel 4–7 mm. Flowers 5–7 mm in diam. Hypanthium campanulate, abaxially glabrous. Sepals ovate or triangular-ovate, apex acute or ± obtuse. Petals white, shortly clawed. Stamens ca. 20. Styles 2. Fruit globose, (4–)5–7 mm in diam., 2-loculed, without lenticels, calyx teeth abscising from apex. Fl. May–Jun, fr. Aug–Sep.

Mountain valleys, ridges, broad-leaved and coniferous mixed forests; 2700--3100 m. NW Yunnan (Fugong Xian, Gongshan Drungzu Nuzu Zizhixian).


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