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

20. Cotoneaster wardii W. W. Smith, Notes Roy. Bot. Gard. Edinburgh. 10: 25. 1917.

白毛栒子 bai mao xun zi

Shrubs evergreen, to 3 m tall. Branchlets terete, initially white tomentose, glabrescent. Petiole robust, 2–4 mm, densely tomentose; stipules linear, 4–6 mm, sparsely pubescent; leaf blade dark green adaxially, ovate or elliptic, 2.5–4 × 1.5–2 cm, midvein distinctly raised abaxially and impressed adaxially, lateral veins 5 or 6 pairs, abaxially densely silvery tomentose, adaxially initially sparsely pilose, glabrous when old, base rounded or broadly cuneate, apex acute. Corymbs 9–15-flowered; rachis and pedicels densely white tomentose; bracts reddish brown, linear, 4–5 mm, sparsely pubescent. Pedicel 1–3 mm. Flowers 6–7 mm in diam. Hypanthium campanulate, abaxially densely white tomentose. Sepals triangular, apex acute. Petals erect, white, tinged reddish, suborbicular or broadly obovate, 3–4 × 2.5–3.5 mm, base shortly clawed, margin slightly incised, apex obtuse. Stamens 20, somewhat shorter than petals. Ovary white pubescent apically; styles 2(–4), free, not exceeding stamens. Fruit orangish red, obovoid, 8–9 mm in diam., pyrenes usually 2. Fl. May–Jun, fr. Sep–Oct.

Forest margins; 3000--4000 m. SE Xizang.


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