栏目

藏边蔷薇Rosa webbiana Wall. ex Royle

藏边蔷薇Rosa webbiana Wall. ex Royle

别名:喜马拉雅蔷薇;永登玫瑰;大果蔷薇;

科名:蔷薇科 Rosaceae

属名:蔷薇属 Rosa

《中国植物志》第37卷419页
  52. 藏边蔷薇 图版66: 1-3
  Rosa webbiana Wall. ex Royle Ill. Bot. Himal. 208. t. 42, f. 2. 1835; Hook. f. Fl. Brit. Ind. 2: 366. 1878: Willmott, Gen. Ros. 1: 233. t. 1911; Juzep. in Fl. URSS 10: 464. 1941; Hara in Enum. Flow. Pl. Nepal 2: 143. 1979.
  灌木,高可达2米;小枝细弱,有散生或成对、直立、圆柱形、长可达1厘米黄色皮刺。小叶5-9,连叶柄长3-4厘米;小叶片近圆形、倒卵形或宽椭圆形,长6-20毫米,宽4-12毫米,先端圆钝,稀急尖,基部近圆形或楔形,边缘上半部有单锯齿,近基部全缘,上面无毛,下面无毛或沿脉微被短柔毛;小叶柄和叶轴无毛,有极稀疏小皮刺;托叶大部贴生于叶柄,离生部分卵形,边缘有腺。花单生,稀2-3朵;苞片卵形,边缘有腺齿,外面有明显中脉和侧脉;花梗长1-1.5厘米,花梗和萼筒无毛或有腺毛;花直径3.5-5厘米;萼片三角状披针形,先端伸长,全缘,外面有腺毛,内面密被短柔毛,边缘更密;花瓣淡红色或玫瑰色,宽倒卵形,先端微凹,基部楔形;花柱离生、被柔毛,比雄蕊短很多。果近球形或卵球形,直径1.5-2厘米,亮红色,下垂,萼片宿存开展。花期6-7月,果期7-9月。
  产我国西藏。生山坡、林间草地、灌丛中或河谷、田边等处,海拔2000-4500米。中亚、印度北部、克什米尔地区、阿富汗等地均有分布。
  与本种相似的种有道孚蔷薇 Rosa dawoensis Pax et K. Hoffm. in Fedde, Repert. Nov. Sp. Beihef. 12: 414. 1922.,采自四川省西部道孚,海拔3500米 Limpricht no. 1972. 惟小叶5-7,倒卵形或椭圆形,先端圆钝或急尖,单锯齿,两面无毛;花红色,直径2.5-3厘米,花梗长约1厘米,花梗与萼筒均光滑无毛,是其特点。附录于此,以待研究。
形态特征:灌木,高可达2米;小枝细弱,有散生或成对、直立、圆柱形、长可达1厘米黄色皮刺。小叶5—9,连叶柄长3—4厘米;小叶片近圆形、倒卵形或宽椭圆形,长6—20毫米,宽4—12毫米,先端圆钝,稀急尖,基部近圆形或楔形,边缘上半部有单锯齿,近基部全缘,上面无毛,下面无毛或沿脉微被短柔毛;小叶柄和叶轴无毛,有极稀疏小皮刺;托叶大部贴生于叶柄,离生部分卵形;边缘有腺。·花单生,稀2—3朵;苞片卵日形,边缘有腺齿,外面有明显中脉和侧脉;花梗长1—1.5厘米,花梗和萼简无毛或有腺毛;花直径3.5—5厘米;萼片三角状披针形;先端伸长,全缘,外面有腺毛,内面密被短柔毛,边缘更密;花瓣淡红色或玫瑰色,宽倒卵形,先端微凹,基部楔形;花柱离生、被柔毛;比雄蕊短很多。果近球形或卵球形,直径1.5-2厘米,亮红色,下垂,萼片宿存开展。 花期6-7月,果期7—9月。
产地分布:产我国西藏。生山坡、林间草地、灌丛中或河谷、田边等处,海拔2000—4500米。中亚、印度北部、克什米尔地区;阿富汗等地均有分布。
本种提示:与本种相似的种有道孚蔷薇Rosa dawoensis Pax cT K.Hoffm. In Fedde,Repert.Nov.Sp·Beihef 12 : 414.1922, 采自四川省西部道孚,海拔3500米Litmpricht no 1972 惟小叶5-7,倒卵形或椭圆形,先端圆钝或急尖,单锯齿 ,两面无毛;花红色,直径2.5—3厘米,花梗长约1厘采,花梗与萼简均光滑无毛,是其特点。附录于此,以待研究。
参考文献:Rosa webbiana Wall.Ex Royle 111.Bot.Hkmal.208.C.42、.F. 2. 1835; Hook.F Fl。Brit.Ind.2:366.1878;Willmott,Gen. Ros. 1: 233. T. 1911: Juzep. In FI.URSS 10:464..19斗1;Hara in Enum.Flow.Pl.Nepal 2:143.1979.

《Flora of China》 Vol. 9 (2003)
Rosa webbiana  Wallich ex Royle
藏边蔷薇   zang bian qiang wei
Shrubs 1–2 m tall. Branchlets purple-brown, slender; prickles in pairs below leaves, and scattered, yellow, terete, straight, to 1 cm, stout, gradually tapering below to a broad base. Leaves including petiole 3–4 cm; stipules mostly adnate to petiole, free parts ovate, margin glandular, apex acute; rachis and petiole glabrous but very sparsely small prickly; leaflets 5–9, suborbicular, obovate, or broadly elliptic, 6–20 × 4–12 mm, glabrous or abaxially sparsely puberulous along veins, base subrounded or cuneate, margin simply serrate at upper part, near base entire, apex rounded-obtuse, rarely acute. Flowers solitary, rarely 2 or 3 and fasciculate, 3.5–5 cm in diam.; pedicel 1–1.5 cm, glabrous or glandular-pubescent; bracts ovate, margin glandular serrate, midvein and lateral veins abaxially conspicuous. Hypanthium subglobose or ovoid, glabrous or glandular puberulous. Sepals 5, triangular-lanceolate, abaxially glandular-pubescent, adaxially densely puberulous, margin entire, apex elongate. Petals 5, reddish or rose, broadly obovate, base cuneate, apex emarginate. Styles free, shorter than stamens, pubescent. Hip nodding, bright-red, subglobose or ovoid, 1.5–2 cm in diam., glabrous, with persistent, spreading sepals. Fl. Jun–Jul, fr. Jul–Sep.
Forests, scrub, grassy places, valleys, slopes, farmland; 2000--4500 m. Xizang [Afghanistan, N India, Kashmir, Mongolia, W Nepal].
Rosa dawoensis Pax & Hoffmann (Repert. Spec. Nov. Regni Veg. Beih. 12: 414. 1922), described from Sichuan (Dawu Xian), is similar to R. webbiana and requires further study.

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