大雪兰Cymbidium mastersii
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].
（责任编辑：徐晔春）
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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