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美花兰Cymbidium insigne

时间:2013-10-23 17:16来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):美花兰 学名( Scientific Name ): Cymbidium insigne Rolfe 英文名( English Common Name ): 别名( Chinese Common Name ): 异名 ( Synonym ): Cymbidium sanderi OBrien Cymbidium insigne var. sanderi (OBrien) Ho
中文名(Chinese Name):美花兰
学名(Scientific Name):Cymbidium insigne Rolfe
英文名(English Common Name):
别名(Chinese Common Name):
异名Synonym):Cymbidium sanderi O'Brien  Cymbidium insigne var. sanderi (O'Brien) Hort.  Cyperorchis insignis (Rolfe) Schltr.
科属Family & Genus):兰科(Orchidaceae)兰属
形态特征Description):地生或附生植物;假鳞茎卵球形至狭卵形,长5-9厘米,宽2.5-4厘米,包藏于叶基之内。叶6-9枚,带形,长60-90厘米,宽7-12毫米,先端渐尖,关节位于距基部7.5-10厘米处。花葶近直立或外弯,长28-90厘米,较粗壮;总状花序具4-9朵或更多的花;花苞片近三角形,长3-5毫米,但下部的可达11-15毫米;花梗和子房长3-4厘米;花直径6-7厘米,无香气;萼片与花瓣白色或略带淡粉红色,有时基部有红点,唇瓣白色,侧裂片上通常有紫红色斑点和条纹,中裂片中部至基部黄色,亦有少数斑点与斑纹;萼片椭圆状倒卵形,长3-3.5厘米,宽1-1.4厘米;侧萼片略斜歪;花瓣狭倒卵形,长2.8-3厘米,宽1-1.2厘米;唇瓣近卵圆形,略短于花瓣,3裂,基部与蕊柱合生达2-3毫米;侧裂片上有极细的小乳突与细毛,边缘无明显缘毛;中裂片稍外弯,基部与中部有一片密短毛区,其余部分有小乳突,边缘皱波状;唇盘上有3条纵褶片,左右2条从基部延伸至中裂片基部,顶端略膨大,中央1条较短,均密生短毛;蕊柱长2.4-2.8厘米,向前弯曲,两侧具翅,腹面基部有短毛;花粉团2个,三角形至近四方形。花期11-12月。
分布(Distribution):产海南,生于海拔1700-1850米疏林中多石草丛中或岩石上或潮湿、多苔藓岩壁上。越南与泰国也有分布。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 261, 269   
Cymbidium insigne Rolfe, Gard. Chron., ser. 3,. 35: 387. 1904.
美花兰 mei hua lan| Orchidaceae  | Cymbidium
Cyperorchis insignis (Rolfe) Schlechter.
Plants terrestrial or lithophytic, autotrophic. Pseudobulbs ovoid or narrowly ovoid, slightly bilaterally flattened, 5-9 × 2.5-4 cm, enclosed in leaf bases. Leaves 6-9, lorate, 60-90 × 0.7-1.2 cm, articulate 7.5-10 cm from base, apex acuminate. Inflorescence suberect or arching, 28-90 cm or longer, somewhat robust; rachis 4-9- or more flowered; floral bracts subtriangular, 3-5 mm, though lower ones 11-15 mm. Flowers not scented, 6-7 cm in diam.; pedicel and ovary 30-40 mm; sepals and petals white or pinkish, sometimes with red spots at base; lip white, often with purplish red spots and striations particularly on lateral lobes, and with a central yellow patch on mid-lobe. Sepals elliptic-obovate, concave, 30-35 × 10-14 mm, apex acute; lateral sepals spreading horizontally or nearly so, slightly oblique. Petals spreading, narrowly obovate, 28-30 × 10-12 mm, apex acute; lip subovate, slightly shorter than petals, base fused to basal margins of column for 2-3 mm, 3-lobed; lateral lobes inconspicuously ciliate; mid-lobe slightly recurved, ovate, margin crisped, apex acute; disk minutely papillate, mid-lobe with a densely hairy patch at center, with 3 lamellae; lamellae densely pubescent, lateral lamellae extending from base of lip to base of mid-lobe and inflated at their apices, central one shorter. Column arcuate, 24-28 mm, winged, puberulent at base on ventral surface; pollinia 2, triangular to subsquare. Fl. Nov-Dec. 2n = 40.
Rocky and grassy places in open forests, shaded and mossy cliffs; 1700-1900 m. E Hainan [N Thailand, Vietnam].


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