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长叶兰Cymbidium erythraeum

时间:2013-10-23 17:09来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):长叶兰 学名( Scientific Name ): Cymbidium erythraeum Lindl. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Cymbidium hennisianum (Schltr.) Schltr. Cymbidium longifolium D.
中文名(Chinese Name):长叶兰
学名(Scientific Name):Cymbidium erythraeum Lindl.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Cymbidium hennisianum (Schltr.) Schltr.  Cymbidium longifolium D. Don:Lindl  Cyperorchis longifolia (D. Don) Schltr.  Cyperorchis hennisiana (Schltr.) Schltr.
科属(Family & Genus):兰科Orchidaceae兰属Cymbidium
形态特征(Description):附生植物;假鳞茎卵球形,长2-5厘米,宽1.5-3厘米,包藏于叶基之内。叶5-11枚,二列,带形,长60-90厘米,宽7-15毫米,从中部向顶端渐狭,基部紫色,关节位于距基部3-6.5厘米处。花葶较纤细,近直立或外弯,长25-75厘米;总状花序具3-7朵或更多的花;花苞片近三角形,长2-4毫米;花梗和子房长2.5-4.3厘米;花直径7-8厘米,有香气;萼片与花瓣绿色,但由于有红褐色脉和不规则斑点而呈红褐色,唇瓣淡黄色至白色,侧裂片上有红褐色脉,中裂片上有少量红褐色斑点和1条中央纵线;萼片狭长圆状倒披针形,长3.4-5.2厘米,宽7-14毫米;花瓣镰刀状,长3.5-5.3厘米,宽3.5-7毫米,斜展;唇瓣近椭圆状卵形,长3-4.3厘米,3裂,基部与蕊柱合生达2-3毫米;侧裂片直立,被短毛,上部较多,边缘有时有短缘毛;中裂片心形至肾形,上面有小乳突,多少散生短毛;唇盘上2条褶片自下部延伸到中裂片基部;褶片上面密生短毛,顶端肥厚;蕊柱长2.3-3.2厘米,两侧具翅,下部有疏毛;花粉团2个,近三角形。蒴果梭状椭圆形,长4-5厘米,宽2-3厘米。花期10月至次年1月。
分布(Distribution):产四川西南部、云南西北部至东南部和西藏(波密、察隅、墨脱)。生于林中或林缘树上或岩石上,海拔1400-2800米。尼泊尔、不丹、锡金、印度、缅甸也有分布。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 262, 267
Cymbidium erythraeum Lindley, J. Proc. Linn. Soc., Bot. 3: 30. 1858.
长叶兰 chang ye lan | Orchidaceae  | Cymbidium
Plants epiphytic or lithophytic, autotrophic. Pseudobulbs ovoid, bilaterally flattened, 2-6 × 1.5-3 cm, enclosed in leaf bases. Leaves distichous, 5-12, deep green tinged purple at base, lorate, 35-90 × 0.7-1.5 cm, articulate 2.5-6.5 cm from base. Inflorescence arising from within sheaths at base of pseudobulb, suberect or arching, 40-75 cm, slender; rachis 23-29 cm, 3-8-flowered; floral bracts subtriangular, 2-4 mm. Flowers fragrant, 6.5-8 cm in diam.; pedicel and ovary 25-43 mm; sepals and petals green with heavy reddish brown longitudinal stripes and irregular spots of same color, or uniformly greenish yellow; lip pale yellow or white with red-brown venation on lateral lobes and a few red-brown spots and a central longitudinal dash on mid-lobe, or white with yellow venation on lateral lobes and scattered yellow spots on mid-lobe. Sepals narrowly oblong-oblanceolate to narrowly obovate-oblong, 34-52 × 7-14 mm, apex acute to obtuse. Petals falcate, ligulate, 33-53 × 4-7 mm, apex acute; lip elliptic-ovate, 24-43 mm, base fused to basal margins of column for 2-3 mm, 3-lobed; lateral lobes erect, subovate, sometimes shortly ciliate; mid-lobe slightly recurved, cordate to ensiform, 8-9 × 10-11 mm, sometimes sparsely shortly hairy; disk densely hairy at apices of lateral lobes, papillate near base and on mid-lobe, with 2 puberulent lamellae extending to base of mid-lobe; lamellae slightly swollen toward apices. Column 23-32 mm, narrowly winged, sparsely hairy toward base; pollinia 2, subtriangular. Capsule fusiform-ellipsoid, 40-50 × 20-30 mm. Fl. Oct-Jan, fr. Mar-May. 2n = 40, 42.
Trees and rocks at forest margins and in forests; 1400-2800 m. C and SW Guizhou,




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