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

30. Cotoneaster acuminatus Lindley, Trans. Linn. Soc. London, Bot. 13: 101. 1822.

尖叶栒子 jian ye xun zi

Cotoneaster bakeri G. Klotz; C. kongboensis G. Klotz; C. mucronatus Franchet; C. nepalensis André; Mespilus acuminata Loddiges.

Shrubs deciduous, erect, 2–3(–4) m tall. Branchlets grayish brown to brownish, terete, initially densely yellowish strigose, glabrous when old. Petiole 3–5 mm, villous; stipules partly caducous at fruiting, lanceolate, 3–5 mm, villous; leaf blade elliptic-ovate to ovate-lanceolate, 2–6.5 × 2–3 cm, both surfaces villous, more densely so abaxially, base broadly cuneate, apex acuminate, rarely acute. Cymes 1–2 cm, (1 or)2 or 3(–5)-flowered; rachis and pedicels yellowish villous; bracts lanceolate or linear, 2–4 mm, margin villous. Pedicel 3–5 mm. Flowers 6–8 mm in diam. Hypanthium campanulate, abaxially appressed villous. Sepals triangular, 1.5–2.5 × 2–3 mm, apex acute. Petals erect, pink or whitish, ovate to obovate, 3–4 mm and nearly as broad, glabrous, base clawed, apex obtuse or erose. Stamens 20, shorter than petals. Ovary pilose apically; styles 2, free, not exceeding stamens. Fruit bright red, ellipsoid, 8–10 × 7–8 mm, pyrenes 2. Fl. May–Jun, fr. Sep–Oct. 2n = 34, 68.

Mixed forests, thickets, fields; 1500--3000 m. Sichuan, Xizang, Yunnan [Bhutan, N India, Nepal, Sikkim].


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