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无距虾脊兰Calanthe tsoongiana

时间:2013-10-23 16:15来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):无距虾脊兰 学名( Scientific Name ): Calanthe tsoongiana T. Tang et F. T. Wang 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 兰科(Orchidaceae)虾
中文名(Chinese Name):无距虾脊兰
学名(Scientific Name):Calanthe tsoongiana T. Tang et F. T. Wang
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):兰科(Orchidaceae)虾脊兰属
形态特征(Description):假鳞茎近圆锥形,粗约1厘米,具3-4枚鞘和2-3枚叶;假茎长约9厘米,粗1.2厘米。叶在花期尚未完全展开,倒卵状披针形或长圆形,长(13-)27-37厘米,宽(2-)6厘米,先端渐尖,基部收窄,背面被短毛;叶柄长8-19厘米或有时不明显。花葶出自当年生的叶丛中,直立,长33-55厘米,密被毛,接近中部具1枚鳞片状鞘;鞘膜质,卵形,先端急尖,无毛;总状花序长14-16厘米,疏生许多小花;花苞片宿存,膜质,卵状披针形,长3-4毫米,基部上方宽1.5-2毫米,先端急尖,无毛;花梗和子房长1-15毫米,被短毛,子房稍弧曲;花淡紫色;萼片相似,长圆形,长6-7毫米,中部宽3-4毫米,先端锐尖或稍钝,具5-6条脉,背面在中部以下疏生毛;花瓣近匙形,长5-6毫米,中部以上宽约1.7毫米,先端锐尖或稍钝,具3条脉,无毛;唇瓣基部合生于整个蕊柱翅上,长约3毫米,基部上方3深裂;裂片等长;侧裂片向前伸,近长圆形,长2毫米,比中裂片稍宽,近先端处宽1.3毫米,先端圆形;中裂片长圆形,宽约1毫米,先端稍扩大,截形并微凹,在凹缺中央具细尖;唇盘上无褶片和其他附属物,无距;蕊柱粗短,长约3毫米,上部扩大,腹面被短毛;蕊喙小,2裂;裂片三角形,长约0.4毫米,先端急尖;药床宽大;药帽在前端不收窄,先端圆形;花粉团倒卵球形或梨形,等大,长约1毫米,具柄。花期4-5月。
分布(Distribution):产浙江、江西、福建、贵州。生于海拔450~1450米的山坡林下、路边和阴湿岩石上。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 293, 296   
Calanthe tsoongiana Tang & F. T. Wang, Acta Phytotax. Sin. 1: 88. 1951.
无距虾脊兰 wu ju xia ji lan| Orchidaceae  | Calanthe
Plants ca. 32 cm tall. Rhizome short. Pseudobulbs subconic, ca. 1 cm in diam., with 3 or 4 sheaths. Leaves 2 or 3, well developed at anthesis, not deciduous; blade obovate-lanceolate or oblong, (13-)27-37 × (2-)5.5-6 cm, abaxially puberulent, apex acuminate; petiole-like base 8-19 cm, usually forming a pseudostem, though sometimes short and pseudostem inconspicuous. Scape arising from axil of current year’s leaves, erect, 33-55 cm, densely hairy, with a scalelike sheath near middle; rachis 14-16 cm, laxly many flowered; floral bracts persistent, ovate-lanceolate, 3-4 × 1.5-2 mm, membranous, glabrous, apex acute. Flowers pale purple, small; pedicel and ovary 10-15 mm, puberulent. Sepals similar, oblong, 6-7 × 3-4 mm, abaxially puberulent below middle, 5- or 6-veined, apex acute or subobtuse. Petals subspatulate, 5-6 × ca. 1.7 mm, 3-veined, apex acute or obtuse; lip adnate to base of column wings, ca. 3.2 × 3 mm, spurless, deeply 3-lobed; lateral lobes suboblong or axe-shaped, 2-2.5 × 1.3-2.5 mm, apex rounded; mid-lobe oblong or ovate, 2-2.5 × 1-2 mm, apex slightly dilated, truncate or retuse and apiculate; disk without lamellae or calli. Column ca. 3 mm, thick, dilated at apex, adaxially with short hairs; rostellum small, 2-lobed; pollinia obovoid or pear-shaped, equal in size, ca. 1 mm, with caudicles.
● Forests, damp rocks; 400-1500 m. Fujian, Guizhou, Jiangxi, Zhejiang.


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