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

51. Cotoneaster langei G. Klotz, Wiss. Z. Friedrich-Schiller-Univ. Jena, Math.-Naturwiss. Reihe. 21: 1000. 1972.

中甸栒子 zhong dian xun zi

Shrubs deciduous or semievergreen, erect or partly prostrate, to 1 m tall. Branchlets brown or purplish brown to blackish brown, terete, initially yellow strigose, glabrous when old. Petiole 1–2 mm, densely strigose-villous; stipules partly persistent, subulate, 1–2 mm, membranous; leaf blade dark green adaxially, broadly ovate or suborbicular, 7–14 × 6–13 mm, subleathery, abaxially initially densely strigose-villous, glabrate, adaxially shiny, initially yellowish villous, glabrescent, lateral veins 3–5 pairs, slightly impressed adaxially, base rounded or broadly cuneate, apex obtuse and mucronate, rarely emarginate or acute. Inflorescences 1-flowered. Pedicel very short or indistinct, strigose-villous. Flower 5–7 mm in diam. Hypanthium campanulate, abaxially strigose-villous. Sepals broadly triangular, 1–2 × 1.5–2.5 mm, apex acute or ± obtuse. Petals erect, pink, suborbicular, base shortly clawed, apex obtuse. Stamens 10–12. Styles 2, free. Fruit dark red, ovoid-globose, 8–9 mm in diam., sparsely strigose-villous; pyrenes 2, ovoid. Fl. May–Jun, fr. Aug–Sep.

Thickets, coniferous forests, rocky slopes; 3000--3500 m. SW Sichuan, NW Yunnan.

Further study is necessary to determine the identity of Cotoneaster ganghobaensis J. Fryer & B. Hylmö, which might be synonymous with this taxon.


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