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独占春 Cymbidium eburneum

时间:2013-10-23 17:04来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):独占春 学名( Scientific Name ): Cymbidium eburneum Lindl. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Cyperorchis eburnea (Lindl.) Schltr. Cymbidium syringodorum Griff.
中文名(Chinese Name):独占春
学名(Scientific Name):Cymbidium eburneum Lindl.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Cyperorchis eburnea (Lindl.) Schltr.  Cymbidium syringodorum Griff.  Cymbidium eburneum var. williamsianum Rchb.f.  Cymbidium eburneum var. philbrickianum Rchb.f.
科属(Family & Genus):兰科(Orchidaceae)兰属
形态特征(Description):附生植物;假鳞茎近梭形或卵形,长4-8厘米,宽2.5-3.5厘米,包藏于叶基之内,基部常有由叶鞘撕裂后残留的纤维状物。叶6-11枚,每年继续发出新叶,多者可达15 17枚,长57-65厘米,宽1.4-2. 1厘米,带形,先端为细微的不等的2裂,基部二列套叠并有褐色膜质边缘,边缘宽1-1.5毫米,关节位于距基部4-8厘米处。花葶从假鳞茎下部叶腋发出,直立或近直立,长25-40厘米;总状花序具1-2(-3)朵花;花苞片卵状三角形,长6-7毫米;花梗和子房长2.5-3.5厘米;花较大,不完全开放,稍有香气;萼片与花瓣白色,有时略有粉红色晕,唇瓣亦白色,中裂片中央至基部有一黄色斑块,连接于黄色褶片末端,偶见紫粉红色斑点,蕊柱白色或稍带淡粉红色,有时基部有黄色斑块;萼片狭长圆状倒卵形,长5.5-7厘米,宽1.5-2厘米,先端常略钝;花瓣狭倒卵形,与萼片等长,宽1.3-1.8厘米;唇瓣近宽椭圆形,略短于萼片,3裂,基部与蕊柱合生达3-5毫米;侧裂片直立,略围抱蕊柱,有小乳突或短毛,边缘不具缘毛;中裂片稍外弯,中部至基部有密短毛区,其余部分有细毛,边缘波状;唇盘上2条纵褶片汇合为一,从基部延伸到中裂片基部,上面生有小乳突和细毛;蕊柱长3.5-4.5厘米,两侧有狭翅;花粉团2个,四方形;粘盘基部两侧有丝状附属物。蒴果近椭圆形,长5-7厘米,宽3-4厘米。花期2-5月。
分布(Distribution):产海南、广西和云南。生于溪谷旁岩石上。尼泊尔、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 261, 270, 271  
Cymbidium eburneum Lindley, Edwards’s Bot. Reg. 33: ad t. 67. 1847.
独占春 du zhan chun| Orchidaceae  | Cymbidium
Plants epiphytic, autotrophic. Pseudobulbs nearly fusiform or ovoid-globose, bilaterally flattened, 4-8 × 2.5-3.5 cm, enclosed in leaf bases, produced every 2 or 3 years (not annually). Leaves 6-11(-17), lorate, 57-65 × 1.4-2.1 cm, articulate 4-8 cm from base, base distichous-equitant and with brown membranous margins 1-1.5 mm wide, apex acute and slightly 2-lobed, sometimes with a minute mucro in sinus. Inflorescence arising from leaf axils, erect or suberect, 25-40 cm; rachis 1- or rarely 2(or 3)-flowered; floral bracts ovate-triangular, 6-7 mm. Flower slightly fragrant, rather large, 8-12 cm in diam.; pedicel and ovary 25-35 mm; sepals and petals white, sometimes slightly tinged pink; lip white with a central yellow patch and sometimes mottled purplish pink on lateral lobes and mid-lobe, lamellae yellow; column white, sometimes tinged pale pink, sometimes with yellow spots at base. Sepals oblong-obovate, 55-70 × 15-20 mm, apex often subobtuse. Petals narrowly obovate, 55-70 × 13-18 mm, apex acute; lip broadly elliptic, slightly shorter than sepals, base fused to basal margins of column for 3-5 mm, 3-lobed; lateral lobes erect, loosely clasping column, not ciliate; mid-lobe slightly recurved, ovate-triangular, margin undulate; disk papillate or puberulent, with a densely hairy patch on basal half of mid-lobe, with 2 converging lamellae extending from base of lip to near base of mid-lobe. Column 35-45 mm, narrowly winged, subglabrous; pollinia 2, subsquare; viscidium with filiform appendages at base. Capsule subellipsoid, 50-70(-100) × 30-40 mm.
Rocks along valleys and in open forests; 800-2000 m. S and SW Guangxi, S and W Hainan, W Yunnan [India, Myanmar, Nepal, Vietnam].




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