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唐棣Amelanchier sinica

时间:2013-11-07 12:48来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 唐棣 学名( Scientific Name ): Amelanchier sinica (Schneid.) Chun 英文名( English Common Name ): 别名( Chinese Common Name ): 红栒子 异名( Synonym ): Amelanchier asiatica var. sinica C. K. Schneid. 科
中文名(Chinese Name):唐棣
学名(Scientific Name):Amelanchier sinica (Schneid.) Chun
英文名(English Common Name):
别名(Chinese Common Name):红栒子
异名(Synonym):Amelanchier asiatica var. sinica C. K. Schneid. 
科属(Family & Genus):蔷薇科(Rosaceae)唐棣属
形态特征(Description):小乔木,高3-5米,稀达15米,枝条稀疏;小枝细长,圆柱形,无毛或近于无毛,紫褐色或黑褐色,疏生长圆形皮孔;冬芽长圆锥形,先端渐尖,具浅褐色鳞片,鳞片边缘有柔毛。叶片卵形或长椭圆形,长4-7厘米,宽2.5-3.5厘米,先端急尖,基部圆形,稀近心形或宽楔形,通常在中部以上有细锐锯齿,基部全缘,幼时下面沿中脉和侧脉被绒毛或柔毛,老时脱落无毛;叶柄长1-2.1厘米,偶有散生柔毛;托叶披针形,早落。总状花序,多花,长4-5厘米,直径3-5厘米;总花梗和花梗无毛或最初有毛,以后脱落;花梗细,长8-28毫米;苞片膜质,线状披针形,长约8毫米,早落;花直径3-4.5厘米;萼筒杯状,外被柔毛,逐渐脱落;萼片披针形或三角披针形,长约5毫米,先端渐尖,全缘,与萼筒近等长或稍长,外面近于无毛或散生柔毛,内面有柔毛;花瓣细长,长圆披针形或椭圆披针形,长约1.5厘米,宽约5毫米,白色;雄蕊20,长2-4毫米,远比花瓣短;花柱4-5,基部密被黄白色绒毛,柱头头状,比雄蕊稍短。果实近球形或扁圆形,直径约1厘米,蓝黑色;萼片宿存,反折。花期5月,果期9-10月。
分布(Distribution):产河南、甘肃、陕西、湖北、四川,生海拔1000-2000米山坡、灌木丛中。
用途(Use):美丽观赏树木,花穗下垂,花瓣细长,白色而有芳香,栽培供观赏;树皮供药用。
引自中国植物志英文版:FOC Vol. 9 Page 190     
Amelanchier sinica (C. K. Schneider) Chun, Chin. Econ. Trees. 168. 1921.
唐棣 tang di| Rosaceae  | Amelanchier
Amelanchier asiatica (Siebold & Zuccarini) Endlicher ex Walpers var. sinica C. K. Schneider, Ill. Handb. Laubholzk. 1: 736. 1906.
Trees 3–5 m tall, rarely to 15 m tall, with loose branches. Branchlets purplish brown or blackish brown, terete, slender, glabrous or subglabrous, sparsely lenticellate; buds purplish brown, narrowly conical, margin of scales pubescent. Stipules caducous, lanceolate, membranous; petiole 1–2.1 cm, sometimes sparsely pubescent; leaf blade ovate or narrowly elliptic, 4–7 × 2.5–3.5 cm, abaxially pubescent along midvein when young, glabrescent, base rounded, rarely subcordate or broadly cuneate, margin entire basally, minutely serrate apically, apex acute. Raceme 4–5 × 3–5 cm, many flowered; peduncle initially sparsely pubescent, glabrescent; bracts caducous, linear-lanceolate. Pedicel 0.8–2.8 cm, slender, initially sparsely pubescent, glabrescent. Flowers 3–4.5 cm in diam. Hypanthium cupular, abaxially initially pubescent, glabrescent. Sepals lanceolate or triangular-lanceolate, ca. 5 mm, nearly as long as hypanthium. Petals white, oblong, lanceolate, or elliptic-lanceolate, ca. 1.5 cm × 5 mm, slender, apex acute. Stamens 20, 1/7–1/5 as long as petals, 2–4 mm. Styles 5, shorter than stamens, densely yellowish white tomentose basally. Pome bluish black, subglobose or depressed-globose, ca. 1 cm in diam.; sepals reflexed. Fl. May, fr. Sep–Oct.
Slopes, among shrubs; 1000--2000 m. Henan, Gansu, Shaanxi, Hubei, Sichuan.
 


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