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

2. Amelanchier asiatica (Siebold & Zuccarini) Endlicher ex Walpers, Repert. Bot. Syst. 2: 55. 1843.

东亚唐棣 dong ya tang di

Aronia asiatica Siebold & Zuccarini, Fl. Jap. 1: 87. 1839; Amelanchier canadensis Medikus var. asiatica (Siebold & Zuccarini) Koidzumi; Pyrus taquetii H. Léveillé; P. vaniotii H. Léveillé.

Trees or shrubs, to 12 m tall, with loose branches. Branchlets blackish brown when old, terete, initially grayish white lanose, glabrate, sparsely pale lenticellate; buds conspicuous, pale brown, narrowly conical, margin of scales pubescent. Stipules caducous, lanceolate, membranous; petiole 1–1.5 cm, grayish white tomentose when young, glabrescent; leaf blade ovate to elliptic, rarely ovate-lanceolate, 4–6 × 2.5–3.5 cm, abaxially initially densely grayish white or yellowish brown tomentose, subglabrescent, base rounded or subcordate, margin minutely sharply serrate along entire length, apex acute. Raceme 4–7 × 3–5 cm, many flowered; peduncle white tomentose when young, glabrescent; bracts linear-lanceolate. Pedicel 1.5–2.5 cm, slender, white tomentose when young, glabrescent. Flowers 3–3.5 cm in diam. Hypanthium campanulate, abaxially tomentose. Sepals lanceolate, ca. 8 mm, ca. 2 × as long as hypanthium. Petals white, oblong-lanceolate or ovate-lanceolate, 1.5–2 cm × 5–7 mm, slender, apex acute. Stamens 15–20, 1/7–1/5 as long as petals. Styles 5, mostly connate, tomentose basally. Pome bluish black, subglobose or depressed-globose, 1–1.5 cm in diam.; sepals reflexed. Fl. Apr–May, fr. Aug–Sep.

On slopes by streams, mixed forests; 1000--2000 m. S Anhui (Huang Shan), NW Jiangxi (Mufu Shan), S Shaanxi (Qin Ling), NW Zhejiang (Tianmu Shan) [Japan, Korea].


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