织梦CMS - 轻松建站从此开始!

花卉图片网

当前位置: 主页 > 野生花卉 >

云间杜鹃Rhododendron redowskianum

时间:2013-09-09 11:48来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 云间杜鹃 学名( Scientific Name ): Rhododendron redowskianum Maxim. 英文名( English Common Name ): 别名( Chinese Common Name ): 叶状苞杜鹃 异名( Synonym ): Therorhodion redowskianum (Maxim.) Hutch. 科
中文名(Chinese Name):云间杜鹃
学名(Scientific Name):Rhododendron redowskianum Maxim.
英文名(English Common Name):
别名(Chinese Common Name):叶状苞杜鹃
异名(Synonym):Therorhodion redowskianum (Maxim.) Hutch. 
科属(Family & Genus):杜鹃花科(Ericaceae)杜鹃属
形态特征(Description):低矮落叶小灌木,高约10厘米;从基部分枝,幼枝被腺毛,老枝亮灰色,无毛。叶簇生,纸质,匙状倒披针形,长0.5-1.5厘米,宽3-6毫米,先端钝,具腺尖头,基部渐狭,下延至短叶柄,边缘具腺头睫毛,下面叶脉明显。总状伞形花序顶生,有花1-3朵;花梗长5-10毫米,被腺毛,具几个被毛的叶状苞片;花萼大,5深裂至基部,裂片线状长圆形,长约5毫米,宽约2毫米,先端钝,外面被微柔毛,边缘具腺状睫毛;花冠辐状,外面无毛,长约1.5厘米,紫红色,花冠管长7-8毫米,裂片5,有1边分裂较深,几达基部,宽长圆形,长6毫米,宽5毫米,具细齿;雄蕊10,稍比花冠短,花丝下部1/3被柔毛,花药长1.5毫米;子房密被短柔毛,花柱短,长5毫米,从裂片间突然反折向外弯伸,下半部被短柔毛,柱头盘状,具小裂片。蒴果卵球形,长6毫米。花期7-8月,果期9-10月。
分布(Distribution):产吉林长白山,生于海拔2000-2600米的高山草原、天池边或岩石旁。西伯利亚东部也有。  
用途(Use):
引自中国植物志英文版FOC Vol. 14 Page 455
 Rhododendron redowskianum Maximowicz, Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans. 9 [Prim. Fl. Amur.]: 189. 1859.
叶状苞杜鹃 ye zhuang bao du juan  | Apiaceae  | Rhododendron
Therorhodion redowskianum (Maximowicz) Hutchinson.
Low small shrubs, ca. 0.1 m tall; branching at base; old branches glabrous; young shoots glandular-hairy. Petiole short; leaf blade thin, spathulate-oblanceolate, 5–15 × 3–6 mm, tapering toward base; margin glandular-ciliate; apex obtuse, with a glandular point; both surfaces glabrous at maturity; veins conspicuous on abaxial surface. Inflorescence 1–3-flowered. Pedicel 0.5–1 cm, glandular-hairy, bearing leaflike hairy bracteoles; calyx deeply 5-lobed to base; lobes linear-oblong, ca. 5 × 2 mm, puberulent on outer surface, margin glandular-ciliate, apex obtuse; corolla rotate, purple-red, ca. 1.5 cm; tube 7–8 mm; outer surface glabrous; lobes 5, broadly oblong, ca. 0.6 × 0.5 cm, finely toothed; stamens 10, slightly shorter than corolla, pubescent below; ovary densely pubescent; style short, ca. 0.5 cm, curved, pubescent below. Capsule ovate, ca. 6 mm. Fl. Jul–Aug, fr. Sep–Oct.
Grasslands on alpine slopes, at foot of rocky cliffs; 2000–2600 m. SE Jilin [Russia (E Siberia)].






(责任编辑:徐晔春)
顶一下
(2)
100%
踩一下
(0)
0%
------分隔线----------------------------
发表评论
请自觉遵守互联网相关的政策法规,严禁发布色情、暴力、反动的言论。
评价:
表情:
用户名: 验证码:点击我更换图片
栏目列表
推荐内容