栏目

玉山蔷薇Rosa morrisonensis Hayata

玉山蔷薇Rosa morrisonensis Hayata

别名:

科名:蔷薇科 Rosaceae

属名:蔷薇属 Rosa

《中国植物志》第37卷384页
  16. 玉山蔷薇(台湾木本植物志) 图版58: 5
  Rosa morrisonensis Hayata in Journ. Goll. Sci. Univ. Tokyo 30(1): 97. 1911, et Ic. Pl. Formos. 1: 241. t. 30. 1911; Li, Woody Fl. Taiwan 298. 1963. ——R. sericea Lindl. var. morrisonensis (Hayata) Masamune in Trans Nat. Hist. Soc. Formos. 28: 435. 1938; Liu et Su in Fl. Taiwan 3: 102. 1977.
  小灌木,高1-2米;枝细长,无毛;皮刺常成对,直立,长可达1厘米,钻状;有时密被针刺。小叶7-11(-13),连叶柄长3-5厘米;小叶片倒卵形至长圆形,长6-12毫米,宽5-8毫米,先端圆钝或截形,基部近圆形或宽楔形,边缘中部以上有锐锯齿,下面全缘,两面均无毛;小叶柄和叶轴均无毛而有极稀疏小皮刺和腺毛;托叶贴生于叶柄,离生部分长圆披针形,先端渐尖,全缘或有极稀疏浅齿和腺,无毛。花单生于短枝顶端,花梗长1-1.5厘米,无毛或近无毛;花直径约2.5厘米;萼茼梨形或长圆形;萼片披针形,先端长渐尖,全缘,内面密被柔毛,萼茼和萼片外面近于无毛,有时有稀疏的腺;花瓣4,白色,长倒卵形,先端圆,基部楔形,比萼片稍长;花柱粗而分生,突出,有长柔毛。果梨形,直径6-8毫米。花期6-7月。
  产我国台湾(玉山)。海拔3200-4160米。
  据原作者早田文藏记载,本种近似小叶蔷薇 R. willmottiae Hemsl. 和藏边蔷薇 R. webbiana Wall.,但本种花基部无小苞片,花瓣白色,有长尖萼片和尖锐锯齿的叶片与后二者不同。又本种近似黄刺玫R. xanthina Lindl., 但本种的萼片花瓣均为4数,又萼片狭长和叶片有尖锐锯齿也易于区别。▽正宗严敬将本种改为绢毛蔷薇之变种 R. sericea Lindl. var. morrisonensis (Hayata) Masamune 从小叶形状及叶边锯齿确极相似,惟本种皮刺多对生,叶片两面无毛,可以区别,仍暂从早田文藏之意见。
形态特征:小灌木 ,高1--2米,枝细长,无毛,皮刺常成对,直立,长可达1厘米,状 针刺。小叶7--11(--13),连叶柄长3--5厘米;小叶片倒卵形至长圆形,长6--12毫米, 宽5--8毫米。先端圆钝或截形、,基部近圆形或楔形,边缘中部以上有锐锯齿,下面全缘, 两面均先毛;小叶柄初叶轴均先毛而有极稀疏小皮刺和腺毛,托叶贴生于叶柄,离生部分 长圆披针形;先端渐尖,全缘或有极稀疏浅齿和腺,无毛。花单生于短枝顶端,花梗长1— 1.5厘米,无毛或近无毛;花直径约2.5厘米;萼茼梨形或长圆形;萼片披针形,先端长渐 尖,全缘,内面密被柔毛,萼茼和萼片外面近于无毛,有时有稀疏的腺;花瓣4,白色,长倒 卵形,先端圆,基部楔形,比萼片稍长;花柱粗而分生,突出,有长柔毛。果梨形,直径16—8 毫米。花期6--7月。
产地分布:产中国台湾(玉山)。海拔3200---4160米。
本种提示:据原作者早田文藏记载;本种近似小叶蔷薇R.Willmottiae Hemsl.和藏边蔷薇R. Webbiana Wall.但本种花基部无小苞片,花瓣白色,有长尖萼片和尖锐锯齿的叶片与后 二者不同。又本种近似黄刺玫R.Xanthina Lindl.,但本种的萼片花瓣均为4数,又萼片 狭长和叶片有尖锐锯齿也易于区别。 正宗严敬将本种改为绢毛蔷薇之变种R.Sericea Lindl.Var.Morrisonensis(Hayata) Masamune从小叶形状及叶边锯齿确极相似,惟本种皮刺多对生,叶片两面无毛,可以区 别,仍暂从早田文藏之意见。
参考文献:Rosa morrisonensis Hayata in Journ.Coll.Sci Univ.Tokyo 30(1):97.1911;et Ic.Pl.Formos 1:241.t. 30.1911.Li,Woody F1,Taiwan 298.1963.----R.sericea Lindl.var.morrisonensis (Hayata) Masamune in Trans Nat. Hist. Soc. Formos 28:435. 1938;Liu et Su in Fl. Taiwan 3:102 1977

《Flora of China》 Vol. 9 (2003)
Rosa morrisonensis  Hayata
玉山蔷薇   yu shan qiang wei
Rosa sericea Lindley var. morrisonensis (Hayata) Masamune.
Shrubs small, 1–2 m tall. Branchlets glabrous; prickles in pairs below leaves, straight, to 1.3 cm, flat; bristles sometimes present and dense. Leaves including petiole 3–5 cm; stipules adnate to petiole, free parts oblong-lanceolate, glabrous, margin entire or sparsely crenate and glandular, apex acuminate; rachis and petiole with a few short prickles, glandular-pubescent; leaflets 7–11(–13), obovate or oblong, 6–12 × 5–8 mm, glabrous, base subrounded or broadly cuneate, margin acutely serrate in upper part, entire below, apex rounded-obtuse or truncate. Flower solitary at tips of short branches, axillary, ca. 2.5 cm in diam.; pedicel 1–1.5 cm, glabrous or subglabrous; bracts absent. Hypanthium pyriform or oblong, glabrous. Sepals 4, lanceolate, abaxially glabrous, sometimes sparsely glandular, adaxially densely pubescent, margin entire, apex long acuminate. Petals 4, white, slightly long obovate, base cuneate, apex rounded. Styles free, exserted, much shorter than stamens, stout, villous. Hip red, pyriform or obovoid, 6–8(–15) mm in diam., with persistent, spreading sepals; pedicel ca. 1.5 cm, glabrous. Fl. Jun–Jul.
Alpine regions; 3200--4200 m. Taiwan (Yushan).

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