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长白蔷薇Rosa koreana

时间:2013-11-07 13:41来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 长白蔷薇 学名( Scientific Name ): Rosa koreana Kom. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 蔷薇科(Rosaceae)蔷薇属 形态特征( Descriptio
中文名(Chinese Name):长白蔷薇
学名(Scientific Name):Rosa koreana Kom.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):蔷薇科(Rosaceae)蔷薇属
形态特征(Description):小灌木丛生,高约1米;枝条密集,暗紫红色;密被针刺,针刺有椭圆形基部,在当年生小枝上针刺较稀疏。小叶7-1l(-15),连叶柄长4-7厘米;小叶片椭圆形、倒卵状椭圆形或长圆椭圆形,长6-15毫米,宽4-8毫米,先端圆钝,基部近圆形或宽楔形,边缘有带腺尖锐锯齿,少部份为重锯齿,上面无毛,下面近无毛或沿脉微有柔毛,稀有少数腺;沿叶轴有稀疏皮刺和腺;托叶倒卵披针形,大部贴生于叶柄,仅顶端部分离生,边缘有腺齿,无毛。花单生于叶腋,无苞片;花梗长1.2-2厘米,有腺毛;花直径2-3厘米;萼筒和萼片外面无毛,萼片披针形,先端长渐尖或稍带尾状渐尖,无腺,稀在边缘有稀疏的腺,内面有稀疏白色柔毛,边缘较密;花瓣白色或带粉色,倒卵形,先端微凹,基部楔形;花柱离生,稍伸出坛状萼筒口外,比雄蕊短很多。果实长圆球形,长1.5-2厘米,桔红色,有光泽,萼片宿存,直立。花期5-6月,果期7-9月。
分布(Distribution):产东北,多生于海拔600-1200米林缘和灌丛中或山坡多石地。朝鲜也有分布。
用途(Use):
引自中国植物志英文版:FOC Vol. 9 Page 351     
Rosa koreana Komarov, Trudy Imp. S.-Peterburgsk. Bot. Sada. 18: 434. 1901.
长白蔷薇 chang bai qiang wei| Rosaceae  | Rosa
Shrubs small, ca. 1 m tall, dense. Branchlets dense, dark purple-red, prickles paired below each node and densely scattered, terete, straight, bristlelike, to 6 mm, fine, abruptly flaring to an elliptic base; branches of present year sparsely prickly. Leaves including petiole 4–7 cm; stipules mostly adnate to petiole, free parts ovate-lanceolate, glabrous, margin glandular serrate; rachis and petiole sparsely prickly and glandular; leaflets 7–11(–15), elliptic, obovate-elliptic, or oblong-elliptic, 6–15 × 4–8 mm, abaxially subglabrous or along veins sparsely pubescent, rarely sparsely glandular, adaxially glabrous, base subrounded or broadly cuneate, margin acutely glandular serrate, partly doubly serrate, apex rounded-obtuse. Flower solitary, axillary, 2–3 cm in diam.; pedicel 1.2–2 cm, glandular-pubescent; bracts absent. Hypanthium oblong. Sepals 5, lanceolate, abaxially glabrous, adaxially sparsely pubescent, not glandular, rarely sparsely glandular at margin, apex long acuminate or caudate-acuminate. Petals 5, tinged with pinkish, obovate, base cuneate, apex emarginate. Styles free, much shorter than stamens, slightly exserted. Hip orange-red, oblong, 1.5–2 cm, shiny, with persistent, erect sepals; pedicel 1.2–2 cm, glandular-pubescent. Fl. May–Jun, Jul–Sep.
Forests margins, scrub, rocky places on slopes; 600--1200 m. Heilongjiang, Jilin, Liaoning [Korea].
 




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