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异型兰Chiloschista yunnanensis

时间:2013-10-23 16:43来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):异型兰 学名( Scientific Name ): Chiloschista yunnanensis Schltr. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 兰科异型兰属 形态特征( Descriptio
中文名(Chinese Name):异型兰
学名(Scientific Name): Chiloschista yunnanensis Schltr.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):兰科异型兰属
形态特征(Description):茎不明显,通常无叶,至少在花期时无叶。花序1-2个,下垂,不分枝,长达26厘米,密布茸毛,绿色带紫色斑点;花序轴长约为花葶全长的4/5-1/2,疏生多数花;花序柄被数枚膜质鳞片状鞘;花苞片膜质,卵状披针形,长3-4毫米,先端短急尖,具1条脉,背面疏生短硬毛;花梗和子房长约4毫米,密布短毛;花质地稍厚,萼片和花瓣茶色或淡褐色,除基部外周边为浅白色,具5条脉,背面密布短毛;中萼片向前倾,卵状椭圆形,长5-6毫米,宽4-5毫米,先端圆形;侧萼片卵圆形,与中萼片等大,先端圆形;花瓣近长圆形,等长于萼片而稍较窄,先端近截形;唇瓣黄色,贴生于蕊柱足末端,3裂;侧裂片直立,狭长圆形,较大,长约4毫米,中部扭曲,先端圆形,边缘具淡褐色斑点,内面具红色条纹;中裂片很短,先端钝并且凹入,上面在两侧裂片之间凹陷呈浅囊状,并且被覆着海绵状的附属物;附属物淡褐色,V字形;蕊柱浅白色,很短;蕊柱足长约4毫米,具2条褐色纵条纹;蕊喙浅白色,很短;药帽浅白色或黄色,前端收窄呈三角形,两侧各具1条丝状附属物。蒴果圆柱形,稍弧形弯曲,长约4厘米,粗4-5毫米。花期3-5月,果期7月。
分布(Distribution):产云南东南部至南部、四川。海拔700-2000米,生于山地林缘或疏林中树干上。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 470   
Chiloschista yunnanensis Schlechter, Repert. Spec. Nov. Regni Veg. Beih. 4: 74. 1919.
异型兰 yi xing lan| Orchidaceae  | Chiloschista
Stems inconspicuous, usually leafless at least at anthesis. Inflorescences 1 or 2, pendulous, green and spotted with purple, to 26 cm, unbranched, densely pubescent, sparsely many flowered; floral bracts ovate-lanceolate, 3-4 mm, membranous, abaxially sparsely hairy. Flowers opening widely, yellowish or yellowish greenish, marked with brownish in basal half, column whitish, anther cap whitish or yellow; pedicel and ovary ca. 4 mm, densely pubescent. Sepals elliptic or ovate-elliptic, 5-7 × 4-5 mm, rounded; mentum small but distinct. Petals suboblong, 5-7 × 3.5-4.5 mm, subtruncate; lip 3-lobed; lateral lobes erect, narrowly oblong, ca. 4 mm, rounded; mid-lobe very short, retuse; disk concave or shallowly saccate, with a spongy appendage; appendage pale brown, V-shaped. Column very short, foot ca. 4 mm; anther cap with 2 filiform appendages on both sides. Capsule arcuate, cylindric, ca. 4 cm × 4-5 mm. Fl. Mar-May, fr. Jul.
● Epiphytic on tree trunks at forest margins and in open forests; 700-2000 m. W Sichuan, S and SW Yunnan.


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