叉唇钗子股Luisia teres

中文名(Chinese Name):叉唇钗子股
学名(Scientific Name):Luisia teres Lindl.
英文名(English Common Name):
别名(Chinese Common Name):金钗兰
异名(Synonym):Luisia botanensis Fukuy.  Luisia megasepala Hayata  Luisia fauriei Schltr.  Luisia teres var. botanensis (Fukuy.) T.P.Lin
科属(Family & Genus):兰科(Orchidaceae)钗子股属
形态特征(Description):茎直立,圆柱形,长达55厘米,粗4-5毫米,具多数长2.5-2.8厘米的节间。叶斜立,肉质,圆柱形,长7-13厘米,粗2-2.5毫米,先端钝,基部具1个关节和宿存的革质鞘。总状花序侧生于叶鞘背侧的基部上方,长约1厘米,具1-7朵花;花序柄基部被3-4枚鳞片状宽卵形的鞘;花苞片宽卵形,长约2毫米,先端钝;花梗和子房长约8毫米;花开展,萼片和花瓣淡黄色或浅白色,在背面和先端带紫晕;中萼片向前倾,卵状长圆形,长7.5-11毫米,宽3-6毫米,先端钝,具7条脉;侧萼片与唇瓣的前唇平行而向前伸,稍两侧对折而围抱前唇的两侧边缘,比中萼片长,先端稍锐尖,在背面中肋呈翅状,但其不向先端伸长为芒尖;花瓣向前倾,稍镰刀状椭圆形,近等长于中萼片而狭窄得多,先端钝,具5条脉;唇瓣厚肉质,浅白色而上面密布污紫色的斑块,长10-16毫米,前后唇之间无明显的界线;后唇稍凹,基部具斜立的耳;耳近方形,长约1毫米;前唇较大,近卵形,伸展,上面近先端处具1条纵向的肉质脊突,先端叉状2裂;裂片近三角形,边缘全缘,被细乳突状毛;蕊柱长3.5-4毫米;蕊喙大,2裂,裂片近方形;药帽淡黄色,前端不伸长;粘盘柄倒卵形,长1.8毫米,宽1.2毫米;粘盘大,近横长圆形,宽2.2毫米。花期通常3-5月。
分布(Distribution):产台湾、广西、四川、贵州、云南。生于海拔1200~1600米的山地林中树干上。日本、朝鲜半岛南部也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 488, 489   
Luisia teres (Thunberg) Blume, Rumphia. 4: 50. 1849.
叉唇钗子股 cha chun chai zi gu| Orchidaceae  | Luisia
Epidendrum teres Thunberg in Murray, Syst. Veg., ed. 14, 818. 1784; Luisia botanensis Fukuyama; L. teres var. botanensis (Fukuyama) T. P. Lin.
Stems ascending or pendulous, to 55 cm, 3-5 mm in diam. usually unbranched, internodes 2.5-2.8 cm. Leaves facing all directions, 7-13(-20) cm × 2-2.5 mm, obtuse. Inflorescences borne from upper part of stem, ca. 1 cm, 1-7-flowered; floral bracts broadly ovate, ca. 2 mm. Flowers fleshy, greenish yellow or whitish, sometimes tinged with purple on abaxial surface and apex of sepals and petals, lip marked with purple or purplish brown, anther cap pale yellow; pedicel and ovary ca. 8 mm. Dorsal sepal ovate-oblong, 7.5-11 × 3-6 mm, obtuse; lateral sepals similar to but slightly longer than dorsal sepal, acute, dorsally carinate-winged and becoming winged at apex. Petals slightly falcate-elliptic, 7-13 × 2-4 mm, obtuse; lip 10-16 mm, thickly fleshy, without a distinct boundary between epichile and hypochile; hypochile slightly concave, base with subquadrate lateral lobes ca. 1 mm; epichile spreading, subovate, large, adaxially with a fleshy longitudinal ridge near apex, furcately bilobed; lobules subtriangular, entire, with finely papillate hairs. Column 3.5-4 mm; rostellum large, bilobed; stipe obovate, ca. 1.8 × 1.2 mm; viscidium transversely oblong, large, ca. 2.2 mm wide. Fl. Mar-May. 2n = 38.
Epiphytic on tree trunks in forests; 1200-1600 m. W Guangxi, SW Guizhou, W Sichuan, Taiwan, SE Yunnan [Japan, Korea].
叉唇钗子股Luisia teres

叉唇钗子股Luisia teres

叉唇钗子股Luisia teres(责任编辑:徐晔春)

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