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大雪兰Cymbidium mastersii

时间:2013-10-23 17:19来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):大雪兰 学名( Scientific Name ): Cymbidium mastersii Griff. ex Lindl. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Cymbidium affine Griff. Cymbidium micromeson Lindl. Cyp
中文名(Chinese Name):大雪兰
学名(Scientific Name):Cymbidium mastersii Griff. ex Lindl.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Cymbidium affine Griff.  Cymbidium micromeson Lindl.  Cyperorchis mastersii (Griff.) Benth.  Cymbidium mastersii var. album Rchb.f.
科属(Family & Genus):兰科Orchidaceae兰属Cymbidium
形态特征(Description):附生植物;假鳞茎延长成茎状,一般长10-30厘米,不断延长,最长可达1米以上,完全包藏于两列排列的叶基之中,在下部叶基附近发出根,偶尔在近基部处可见小植株。叶随茎的延长而不断长出,可达15-17枚或更多,带形,近革质,长24-75厘米,宽1.1-1.7(-2.5)厘米,先端不等的2裂,裂口中央有1尖凸,关节位于距基部 3-6(-10)厘米处。花葶1-2个,从下部叶腋发出,近直立,长25-45厘米;总状花序具2-5朵或更多的花;花苞片三角形,长2-5毫米;花梗和子房长4.5厘米;花直径6-6.5厘米,不完全开放,有香气,白色,外面稍带淡紫红色,唇瓣中裂片中央有一黄色斑块连接于亮黄色的褶片,偶见紫红色斑点;萼片狭椭圆形或宽披针状长圆形,长4.5-5.5(-6)厘米,宽1-1.5(-2)厘米,先端常渐尖;花瓣宽线形,长4.2-5厘米,宽7-10毫米;唇瓣长圆状卵形,长4-4.5厘米,3裂,基部与蕊柱合生达3-4毫米;侧裂片直立,宽约8毫米,稍围抱蕊柱,上面有微毛;中裂片较小,中央至基部有一密生短毛的斑块,边缘波状;唇盘上2条纵褶片下部分离,上端汇合为一;蕊柱长约3.5厘米;花粉团2个。蒴果梭状椭圆形,长约4厘米,宽2.5厘米。花期10-12月。
分布(Distribution):产云南西北部、南部至东南部。生于林中树上或岩石上,海拔1600-1800米。锡金、印度、缅甸、泰国也有分布。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 261, 271,272
Cymbidium mastersii Griffith ex Lindley, Edwards’s Bot. Reg. 31: ad t. 50. 1845.
大雪兰 da xue lan | Orchidaceae  | Cymbidium
Cyperorchis mastersii (Griffith ex Lindley) Bentham.
Plants epiphytic or lithophytic, autotrophic. Pseudobulbs stemlike, usually 10-30 cm, sometimes to 1 m, growing indeterminately, completely enclosed in distichous leaf bases, rooting from basal part, occasionally producing a small plant at base. Leaves several to many, sometimes to 15-17 or more, lorate, 24-75 × 1.1-1.7(-2.5) cm, subleathery, articulate 3-6(-10) cm from base, apex unequally 2-lobed, with a mucro in sinus. Inflorescences 1 or 2, arising from leaf axils, suberect, 25-45 cm, 2-5- or more flowered; floral bracts triangular, 2-5 mm. Flowers almond-scented, usually not opening widely, 6-6.5 cm in diam.; pedicel and ovary 40-50 mm; sepals and petals white, tinged pink on outer surfaces; lip white with a central yellow patch at base of mid-lobe, lamellae yellow and occasionally with scattered purplish red spots. Sepals narrowly elliptic or broadly lanceolate-oblong, concave, 45-55(-60) × 10-15(-20) mm, apex acute. Petals broadly linear, 42-50 × 7-10 mm, apex acute; lip oblong-ovate, 40-45 mm, base fused to basal margins of column for 3-4 mm, 3-lobed; lateral lobes erect and loosely clasping column, ca. 8 mm wide; mid-lobe ovate, small, ca. 11 × 11 mm, margin undulate; disk puberulent and with a densely hairy patch at center of mid-lobe, with 2 longitudinal lamellae; lamellae convergent at their apices. Column ca. 35 mm; pollinia 2. Capsule fusiform-ellipsoid, ca. 40 × 25 mm. Fl. Oct-Dec, fr. Feb-Apr. 2n = 40.
Trees or rocks in forests; 1600-1800 m. S and W Yunnan [Bhutan, India, Myanmar, Thailand, N Vietnam].


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