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

24. Cotoneaster franchetii Bois, Rev. Hort. 1902: 379. 1902.

西南栒子 xi nan xun zi

Cotoneaster amoenus E. H. Wilson; C. franchetii var. cinerascens Rehder; C. insculptus Diels; C. mairei H. Léveillé; C. mairei var. albiflorus H. Léveillé.

Shrubs semievergreen, 1–3 m tall, with spreading, arching-inflexed branches. Branchlets dark grayish brown or grayish black, initially densely strigose, gradually glabrescent. Petiole 2–4 mm, tomentose; stipules linear-lanceolate, 2–4 mm, initially tomentose, glabrate; leaf blade elliptic to ovate, 2–3 × 1–1.5 cm, thick, lateral veins 4 or 5 pairs, raised abaxially and deeply impressed adaxially, abaxially densely yellow or white tomentose, adaxially initially appressed pubescent, glabrescent, base cuneate, apex acute or acuminate. Corymbs 1.5–2.5 cm, 5–11-flowered; rachis and pedicels densely tomentose; bracts linear, 2–3.5 mm, tomentose. Pedicel 2–4 mm. Flowers 6–7 mm in diam. Hypanthium campanulate, abaxially densely pubescent. Sepals triangular, 1–2 × 1.5–2.5 mm, apex acute or shortly acuminate. Petals erect, pink, broadly obovate or elliptic, 3–4 × 2–3 mm, adaxially puberulous near base, base shortly clawed, apex obtuse. Stamens 20, shorter than petals. Ovary pubescent apically; styles 2 or 3(–5), free, not exceeding stamens. Fruit orangish red or red, ovoid-globose, 6–7 mm in diam., initially pubescent, finally glabrous, pyrenes usually 3, rarely to 5. Fl. Jun–Jul, fr. Sep–Oct. 2n = 68*.

Thickets in rocky sunny mountain regions, open hillsides; 1600--2900 m. Guizhou, Sichuan, Xizang, Yunnan [Thailand].

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


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