栏目

腺叶蔷薇Rosa kokanica Regel ex Juzep.

腺叶蔷薇Rosa kokanica Regel ex Juzep.

别名:金樱子;南疆蔷薇;

科名:蔷薇科 Rosaceae

属名:蔷薇属 Rosa

《中国植物志》第37卷375页
  5.腺叶蔷薇
  Rosa kokanica Regel ex Juzep. in Fl. URSS 14: 476. 1941.——R. platyacantha var. kokanica Regel p. p. et var. variabilis Regel in Acta Hort. Peterp. 5: 313. f. 2. 1878. ——R. xanthina var. kokanica Bouleng. in Bull. Jard. Bot. B ruxell. 13: 182. 1935.
  小灌木,高1.5-2米;枝直伸开展,皮粗糙,密被直立针刺,针刺基部增粗,成圆盘状,幼时混有腺毛。小叶5-7(-9),连叶柄长4.5-8厘米;小叶片卵形、椭圆形或倒卵形,长1-2.2厘米,宽6-13毫米,先端圆钝,稀急尖,基部宽楔形或近圆形,边缘有尖锐重锯齿,齿尖常带腺,上面无毛或近无毛,下面有腺或有极稀疏柔毛,中脉突起;叶轴和叶柄有腺和短针刺;托叶大部贴生于叶柄,仅顶端离生部分呈卵形,边缘有齿和腺。花单生于叶腋,无苞片;花梗长1.5-3厘米,有腺或无腺,无毛;花直径2-4(-6)厘米;萼片披针形,先端长渐尖,有不规则2-3羽裂片,外面有腺或无腺,内面有稀疏短柔毛;花瓣乳白色或黄色;宽倒卵形,先端微凹;花柱离生,密被柔毛,稍伸出萼筒口外部,比雄蕊短很多。果球形,直径约1厘米,暗紫色或近褐色,有宿存、开展或直立的萼片。花期5-7月,果期8-11月。
  产我国新疆。多生于山坡、林边,为落叶松林下重要灌木之一,海拔1500-2500米。苏联中亚地区、伊朗、阿富汗有分布。
形态特征:小灌木,高1.5--2米;枝直伸开展,皮粗糙,密被直立针刺,针刺基部增粗,成圆盘状,幼时混有腺毛。小叶5--7(--9),连叶柄长4.5---8厘米;小叶片卵形、椭圆形或圆形或倒卵形;长1--2.2厘米,宽6--13毫米,先端圆钝,稀急尖,基部宽楔形或近圆形,边缘有尖锐重锯齿,齿尖常带腺,上面无毛或近无毛,下面有腺或有极稀疏柔毛,中脉突起;叶轴和叶柄有腺和 短针刺:托叶大部贴生于叶柄,仅顶端离生生部分呈卵形,边缘有齿和腺。花单生于叶腋,无 苞片;花梗长1.5--3厘米,有腺或无腺,无毛;花直径2--4(--6)厘米;萼片披针形,先端 长渐尖,有不规则2--3羽裂片,外面有腺或无腺,内面有稀疏短柔毛;花瓣乳白色或黄色; 宽倒卵形,先端微凹;花柱离生,密被柔毛,稍伸出萼筒口外部,比雄蕊短很多云果球形,直径 约1厘米,暗紫色或近褐色,有宿存、开展或直立的萼片。花期5--7月,果期8--11月。
产地分布:产我国新疆。多生于山坡、林边,为落叶松林下重要灌木之一,海拔1500--2500米。 苏联中亚地区、伊朗、阿富汗有分布。
参考文献:Rosa kokaniea Regel ex Juzep.in Fl.URSS 10:476.1941.----R.platyacanthavar.kokanica Regel p.p et var.variablis.Regel Acta Hort.Peterp.5:313 f.2. 1828.-——R.Xanthino var.Kokanica Bouleng.In Bull.Jard.Bot.Bruxell.13:182.1935、

《Flora of China》 Vol. 9 (2003)
Rosa kokanica  (Regel) Regel ex Juzepczuk
腺叶蔷薇   xian ye qiang wei
Rosa platyacantha Schrenk var. kokanica Regel, Trudy Imp. S.-Peterburgsk. Bot. Sada 5: 313. 1878; R. platyacantha var. variabilis Regel; R. xanthina Lindley var. kokanica (Regel) Boulenger.
Shrubs small, 1.5–2 m tall. Branchlets spreading, straight, rough; prickles dense, straight, fine, firm, flat, tapering to an elliptic base, intermixed with glandular hairs on young branches. Leaves including petiole 4.5–8 cm; stipules mostly adnate to petiole, free parts ovate, margin serrate and glandular; rachis and petiole with short bristles, glandular; leaflets 5–7(–9), ovate, elliptic, or obovate, 1–2.2 × 0.6–1.3 cm, abaxially glandular or sparsely pubescent, with prominent midvein, adaxially glabrous or subglabrous, base broadly cuneate or subrounded, margin acutely doubly serrate, teeth often glandular apically, rounded-obtuse, rarely acute. Flower solitary, axillary, 2–4(–6) cm in diam.; pedicel 1.5–3 cm, glandular or not, glabrous; bracts absent. Hypanthium subglobose, abaxially glandular hispid, with short prickles, or glabrous. Sepals 5, lanceolate, abaxially glandular or not, adaxially sparsely puberulous, irregularly 2- or 3-pinnately lobed, apex long acuminate. Petals 5, pale yellow or white, broadly obovate, apex emarginate. Styles free, much shorter than stamens, slightly exserted, densely pubescent. Hip dark purple or dark brown, subglobose, ca. 1 cm in diam., with persistent, spreading or erect sepals; pedicel 1.5–3 cm, glandular hispid, with short prickles or glabrous. Fl. May–Jul, fr. Aug–Nov.
Slopes at forest margins, an important species in Larix forests
Slopes at forest margins, an important species in Larix forests; 1500--2500 m. Xinjiang [Afghanistan, Kazakhstan, Mongolia; SW Asia (Iran)].

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