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睫毛杜鹃Rhododendron ciliatum

时间:2013-09-09 12:13来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 睫毛杜鹃 学名( Scientific Name ): Rhododendron ciliatum Hook. f. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 杜鹃花科(Ericaceae)杜鹃属 形态
中文名(Chinese Name):睫毛杜鹃
学名(Scientific Name):Rhododendron ciliatum Hook. f.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):杜鹃花科(Ericaceae)杜鹃属
形态特征(Description):灌木,高0.3-2米。幼枝有鳞片,或疏或密被刚毛。叶片革质,椭圆形、长圆状椭圆形或长圆状披针形,长3-8厘米,宽1.6-3.7厘米,顶端锐尖,钝形或渐尖,有小短尖头,基部圆形或钝形,边缘疏或密被刚毛,上面有鳞片和刚毛,下面有疏鳞片,鳞片小,相距为其直径的2-3倍,沿中脉有刚毛,其余无毛;叶柄长约6毫米,有鳞片和刚毛。花序顶生,短总状或伞形,有花2-4朵;花序轴长2-3毫米,被鳞片和微柔毛或洁净;花梗长0.5-1厘米,有鳞片和密刚毛;花萼显著,长8毫米,5深裂,裂片宽卵形,淡绿或红色,外面基部疏生鳞片,边缘有密长硬毛;花冠漏斗状,长3.7-5厘米,白色带淡红色,内、外面洁净,5裂,裂片微凹;雄蕊10,不等长,1.2-3.1厘米长,较花冠短,花丝基部有密柔毛;子房5-6室,密被鳞片,花柱细长,与花冠近等长,洁净无鳞片。蒴果粗短或卵形,1-1.6厘米长,密被鳞片。
分布(Distribution):产西藏。生于海拔2700-3500米岩石、峭壁上,或陡坡杜鹃灌丛。尼泊尔东部、印度、不丹也有。
用途(Use):FOC Vol. 14 Page 269
Rhododendron ciliatum J. D. Hooker, Rhododendr. Sikkim-Himalaya. 3: t. 24. 1851.
睫毛杜鹃 jie mao du juan | Apiaceae  | Rhododendron
Shrubs, 0.3–2 m tall; young shoots scaly or hispid. Petiole ca. 6 mm, scaly, hispid; leaf blade leathery, elliptic or oblong-elliptic to oblong-lanceolate, 3–8 × 1.6–3.7 cm; base rounded or obtuse; apex acute, obtuse or acuminate, apiculate; abaxial surface scales 2–3 × their own diameter apart, small, hispid along midrib; adaxial surface scaly, hispid. Inflorescence terminal, racemose or cymose, 2–4-flowered; rachis 2–3 mm, scaly and pubescent or glabrous. Pedicel 0.5–1 cm, scaly, densely hispid; calyx pale green or red, deeply 5-lobed; lobes ca. 8 mm, broadly ovate, sparsely scaly at base; corolla funnelform, white tinged with pale red, 3.7–5 cm, glabrous throughout; lobes 5, emarginate; stamens 10, unequal, 1.2–3.1 cm, filaments densely pubescent at base; ovary 5–6-locular, densely scaly; style as long as corolla, glabrous. Capsule broadly ovoid, 10–16 mm, densely scaly. Fl. Feb–Mar.
Rhododendron thickets on slopes, rocky cliffs; 2700–3500 m. S Xizang [Bhutan, E Nepal, Sikkim].






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