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毛瓣杜鹃 maobandujuan

被子植物门 Angiospermae
双子叶植物纲 Dicotyledoneae
合瓣花亚纲 Sympetalae
杜鹃花目 Ericales
杜鹃花科 Ericaceae
杜鹃属 Rhododendron
相关名称 Common Names
拉丁名
Rhododendron dasypetalum Balf. F. et Forrest
中文名
毛瓣杜鹃
拼音
maobandujuan
文献 Literature
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描述 Description

75.毛瓣杜鹃(云南植物志)

Rhododendron dasypetalum Balf. f. et Forrest in Not. Bot. Gard. Edinb. 11: 45. 1919; Hutch. in Stevenson, Spec. Rhodod. 400. 1930; Philipson et M. N. Philipson in Not. Bot. Gard. Edinb. 34: 29. 1975; Cullen in ibid. 39: 100. 1980; Davidian, Rhodod. Spec. 1: 180. 1982;云南植物志4: 511. 1986;横断山区维管植物下册1434. 1994.

常绿灌木,高达80厘米,多分枝。幼枝密被褐色鳞片。叶多数簇生于小枝末端,叶片近革质,椭圆形至长圆状椭圆形,长8-20毫米,宽3-7.5毫米,顶端钝或圆,有明显的短突尖,基部宽楔形,边缘稍反卷,上面暗绿色,有光泽,被灰白色、有间距的鳞片,下面黄褐色,密被相邻接的赤褐色鳞片;叶柄长1-2毫米,被鳞片,顶端及叶片基部常被疏毛。花序顶生,常具2朵花;花梗长3-4(-8)毫米,被鳞片和柔毛;花萼长约3-4毫米,裂片长圆形,带紫色,被灰白色鳞片和毛,尤以基部最多,边缘被长缘毛;花冠宽漏斗状,长12-15(-20)毫米,亮紫玫瑰色,外面被疏柔毛,无鳞片,内面喉部被短柔毛,花管较裂片短约1/2,长4-8(-10)毫米;雄蕊10,长9-14毫米,花丝基部被柔毛;子房长2-2.5毫米,被灰白色鳞片,花柱长约15毫米,超出雄蕊,紫色,近基部被毛。蒴果卵圆形,长约5毫米,被鳞片。花期4-5月,果期6-7月。

产云南西北部。生于开阔的砾石草地、牧场,海拔3 300-3 500米。模式标本采自维西(立地坪)。

知识共享:署名-非商业性使用-禁止演绎 1999《中国植物志》第57(1)卷 098页 PDF

Small shrubs, to 0.8 m tall; branchlets with dense flaky scales; bud scales deciduous. Petiole 1–2 mm, scaly; leaf blade elliptic or oblong-elliptic, 0.8–2 × 0.3–0.75 cm; base broadly cuneate to rounded; apex obtuse or rounded, mucronate; abaxial surface uniformly tawny brown, with scales contiguous to overlapping; adaxial surface dark green, shiny, sparsely scaly. Inflorescence usually 2-flowered. Pedicel 0.3–0.4(–0.8) cm, scaly; calyx crimson-purple, lobes 3–4 mm, oblong, persistent in fruit, scaly, pubescent, margin ciliate; corolla broadly funnelform, bright purplish rose, 1.2–1.5(–2) cm, tube 4–8(–10) mm, outer surface not scaly, puberulous, inner surface pubescent; stamens 10, 0.9–1.4 cm, filaments pubescent towards base; ovary 2–2.5 mm, densely pale-scaly; style ca. 1.5 cm, longer than stamens. Capsule ovoid, ca. 5 mm, densely scaly. Fl. Apr–May, fr. Jun–Jul.

Open stony pastures; 3300–3500 m. NW Yunnan.

知识共享:署名-非商业性使用-禁止演绎 FOC Vol.14PDF
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