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云南独蒜兰Pleione yunnanensis

时间:2013-12-04 21:22来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):云南独蒜兰 学名( Scientific Name ): Pleione yunnanensis (Rolfe) Rolfe 英文名( English Common Name ): 别名( Chinese Common Name ): 异名 ( Synonym ): Pleione chiwuana T. Tang et F. T. Wang Coelogyne yunn
中文名(Chinese Name):云南独蒜兰
学名(Scientific Name):Pleione yunnanensis (Rolfe) Rolfe
英文名(English Common Name):
别名(Chinese Common Name):
异名Synonym):Pleione chiwuana T. Tang et F. T. Wang  Coelogyne yunnanensis Rolfe  Pleione yunnanensis var. chiwuana (Tang & F.T.Wang) G.Kleinh. ex Torelli & Riccab. 
科属Family & Genus):兰科(Orchidaceae)独蒜兰属
形态特征Description):地生或附生草本。假鳞茎卵形、狭卵形或圆锥形,上端有明显的长颈,全长1.5-3厘米,直径1-2厘米,绿色,顶端具1枚叶。叶在花期极幼嫩或未长出,长成后披针形至狭椭圆形,纸质,长6.5-25厘米,宽1-3.5厘米,先端渐尖或近急尖,基部渐狭成柄;叶柄长1-6厘米。花葶从无叶的老假鳞茎基部发出,直立,长10-20厘米,基部有数枚膜质筒状鞘,顶端具1花,罕为2花;花苞片倒卵形或倒卵状长圆形,草质或膜质,长2-3厘米,宽5-8毫米,明显短于花梗和子房,先端钝;花梗和子房长3-4.5厘米;花淡紫色、粉红色或有时近白色,唇瓣上具有紫色或深红色斑;中萼片长圆状倒披针形,长3.5-4厘米,宽6-8毫米,先端钝;侧萼片长圆状披针形或椭圆状披针形,稍斜歪,常近等长于并稍宽于中萼片,先端钝;花瓣倒披针形,展开,长3.5-4厘米,宽5-7毫米,先端钝,基部明显楔形;唇瓣近宽倒卵形,长3-4厘米,宽2.5-3厘米,明显或不明显3裂;侧裂片直立,多少围抱蕊柱;中裂片先端微缺,边缘具不规则缺刻或多少呈撕裂状;唇盘上通常具3-5条褶片自基部延伸至中裂片基部;褶片近全缘或略呈波状并有细微缺刻;蕊柱长1.8-2.3厘米,多少弧曲,两侧具翅;翅自中部以下甚狭,向上渐宽,在顶端围绕蕊柱,宽达5-6毫米,有不规则齿缺。蒴果纺锤状圆柱形,长2.5-3厘米,宽约1.2厘米。花期4-5月。果期9-10月。
分布(Distribution):产四川西南部(越西、盐源、石棉、西昌、木里)、贵州西部至北部(凯里、印江、雷山、贵阳、梵净山、盘县、安龙、望谟、纳雍)、云南西北部至东南部(贡山、维西、丽江、大理、漾濞、永宁、蒙自、文山)和西藏东南部(察瓦龙)。生于林下和林缘多石地上或苔藓覆盖的岩石上,也见于草坡稍荫蔽的砾石地上,海拔1100-3500米。缅甸北部也有分布。模式标本采自云南。
用途(Use):
引自中国植物志英文版:FOC | Family List | FOC Vol. 25
16. Pleione yunnanensis (Rolfe) Rolfe, Orchid Rev. 11: 292. 1903.
云南独蒜兰 yun nan du suan lan| Orchidaceae  | Pleione 
Coelogyne yunnanensis Rolfe, J. Linn. Soc., Bot. 36: 23. 1903; Pleione chiwuana Tang & F. T. Wang; P. yunnanensis var. chiwuana (Tang & F. T. Wang) G. Kleinhans ex Torelli & Riccaboni.
Herbs, terrestrial or lithophytic. Pseudobulb green, ovoid, narrowly ovoid, or conic, 1.5-3 × 1-2 cm in diam., 1-leaved. Leaf very immature or undeveloped at anthesis, lanceolate to narrowly elliptic, 6.5-25 × 1-3.5 cm, papery, base attenuate into a petiole-like stalk 1-6 cm, apex acuminate or subacute. Inflorescence erect; peduncle 10-20 cm, with several sheaths below middle; floral bracts obovate to obovate-oblong, 20-30 × 5-8 mm, shorter than ovary, apex obtuse. Flowers solitary or rarely 2, purplish, pink, or sometimes white, with purple or deep red spots on lip; pedicel and ovary 30-45 mm, usually deep red. Dorsal sepal oblong-oblanceolate, 35-40 × 6-8 mm, apex obtuse; lateral sepals oblong-lanceolate or elliptic-lanceolate, slightly oblique, 35-40 × 6-10 mm, usually slightly wider than dorsal sepal, apex obtuse. Petals oblanceolate, 35-40 × 5-7 mm, base cuneate, apex obtuse; lip broadly obovate, 30-40 × 25-30 mm, 3-lobed; lateral lobes erect and loosely embracing column, broad, apex rounded; mid-lobe subquadrate, apical margin irregularly erose-lacerate, apex emarginate; disk with 3-5 entire or slightly erose lamellae extending from base of lip to base of mid-lobe. Column ± arcuate, 18-23 mm; column wings very narrow below middle, dilated above, apex 5-6 mm tall and irregularly dentate at apex. Capsule fusiform-cylindric, 25-30 × ca. 12 mm. Fl. Apr-May, fr. Sep-Oct. 2n = 40, 120.
On mossy rocks in forests and at forest margins, shaded and rocky places on grassy slopes and under ericaceous shrubs; 1100-3500 m. N and W Guizhou, SW Sichuan, SE Xizang, NW and SE Yunnan [N Myanmar].


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