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滇金石斛Flickingeria albopurpurea

时间:2013-10-23 21:00来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):滇金石斛 学名( Scientific Name ): Flickingeria albopurpurea Seidenf. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 兰科(Orchidaceae)金石斛属Fli
中文名(Chinese Name):滇金石斛
学名(Scientific Name):Flickingeria albopurpurea Seidenf.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):兰科(Orchidaceae)金石斛属Flickingeria
形态特征Description):根状茎匍匐,粗4-8毫米,节间长3-7毫米,每相距3-6个节间发出1个茎。茎黄色或黄褐色,通常下垂,多分枝;第一级分枝之下的茎长2-12厘米,具2-4个节间。假鳞茎金黄色,稍扁纺锤形,长3-8厘米,粗7-20毫米,具1个节间,顶生1枚叶。叶革质,长圆形或长圆状披针形,长9-19.5厘米,宽2-3.6厘米,先端钝并且微2裂,基部收狭为很短的柄。花序出自叶腋和叶基部的远轴面一侧,具1-2朵花;花序柄几不可见,被覆数枚鳞片状鞘;花梗和子房淡黄色,长5毫米;花质地薄,开放仅半天则凋谢,萼片和花瓣白色;中萼片长圆形,长10毫米,宽3.5毫米,先端锐尖,基部稍收狭,具3条主脉和多数横脉以及支脉;侧萼片斜卵状披针形,长10毫米,中部宽3.5毫米,先端锐尖,基部歪斜而较宽,具3条主脉和多数横脉以及支脉;萼囊与子房交成直角,长约5毫米,末端钝,淡黄色;花瓣狭长圆形,长9毫米,宽2.2毫米,先端急尖,具3条主脉和少数横脉以及支脉;唇瓣白色,长1.2毫米,3裂;侧裂片(后唇)内面密布紫红色斑点,直立,近卵形,先端圆钝,摊平后两侧裂片先端之间的宽7毫米;中裂片(前唇)长约5毫米,上部扩大,呈扇形,宽7毫米,先端稍凹缺,凹口中央具1个短凸,后侧边缘折皱状;唇盘从后唇至前唇基部具2条密布紫红色斑点的褶脊,褶脊在后唇上面平直而在前唇上面呈深紫色并且变宽成皱波状;蕊柱粗短,正面白色并且密布紫红色斑点,长约3毫米,具长约5毫米的蕊柱足;药帽白色,半球形,前端近半圆形,其边缘具微细的齿。花期6-7月。
分布Distribution):产云南南部(勐腊、景洪)。生于海拔800-1200米的山地疏林中树干上或林下岩石上。分部于泰国、越南、老挝。
用途Use):
引自中国植物志英文版FOC Vol. 25 Page 398, 399
Flickingeria albopurpurea Seidenfaden, Dansk Bot. Ark. 34(1): 48. 1980.
滇金石斛 dian jin shi hu| Orchidaceae  | Flickingeria
Rhizome creeping, 4-8 mm in diam., internodes 3-7 mm. Stems usually pendulous, yellow or yellowish brown, many branched. Pseudobulbs golden yellow, slightly compressed, fusiform, 3-8 cm × 7-20 mm. Leaf blade oblong or oblong-lanceolate, 9-19.5 × 1.5-3.6 cm, leathery, base contracted into a very short petiole, apex obtuse and minutely retuse, arista in sinus absent or indistinct. Inflorescence simultaneously adaxial and abaxial, 1- or 2-flowered; peduncle very short, with several scalelike sheaths. Flowers lasting half a day, thinly textured; pedicel and ovary pale yellow, sepals and petals white, mentum yellowish, lip and column densely spotted purple-red, mid-lobe white, turning pale cream-colored when old, proximal part of keels deep purple, distal wavy part with deep purple edges and spots; pedicel and ovary ca. 5 mm. Dorsal sepal oblong, ca. 10 × 3.5 mm, acute; lateral sepals obliquely ovate-lanceolate, ca. 10 × 3.5 mm, base oblique and relatively wide, apex acute; mentum perpendicular to ovary, ca. 5 mm, obtuse. Petals narrowly oblong, ca. 9 × 2.2 mm, acute; lip ca. 12 mm, 3-lobed; lateral lobes erect, subovate, rounded, ca. 7 mm apart between apices; mid-lobe obovate-flabellate in outline, ca. 5 × 7 mm, 2-lobed, basal margin lacerate-crisped; disk with 2 lamellae extending from base to narrowed base of mid-lobe, crisped-undulate in apical half. Column ca. 3 mm, stout, foot ca. 5 mm. Fl. Jun-Jul.
Epiphytic on tree trunks in open forests, lithophytic on rocks in forests; 800-1200 m. S Yunnan [Laos, Thailand, Vietnam].


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