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大苞兰 Sunipia scariosa

时间:2013-10-25 16:48来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):大苞兰 学名( Scientific Name ): Sunipia scariosa Lindl. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Ione scariosa (Lindl.) King et Pantl. Sunipia racemosa (J. E. Sm.) T
中文名(Chinese Name):大苞兰
学名(Scientific Name):Sunipia scariosa Lindl.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Ione scariosa (Lindl.) King et Pantl.  Sunipia racemosa (J. E. Sm.) T. Tang et F. T. Wang  Ione siamensis Rolfe  Ione scariosa var. magnibracteata Kerr
科属(Family & Genus):兰科(Orchidaceae)大苞兰属
形态特征(Description):根状茎粗壮,粗约4毫米,在每相距4厘米处生1个假鳞茎。假鳞茎卵形或斜卵形,长2-3厘米,基部粗约1.5厘米,顶生1枚叶。叶革质,长圆形,长12-16.5厘米,宽约2厘米,先端钝并且稍凹入,基部收狭为长约1.5厘米的柄,在上面中肋下陷。花葶出自假鳞茎的基部,比叶长,长达33厘米;总状花序弯垂,具多数花;花序柄长8-23厘米,粗2-3毫米,疏生3-5枚长约1.5厘米的筒状鞘;花苞片整齐排成二列,膜质,宽卵形,舟状,长约7毫米,宽6毫米,先端锐尖;花梗和子房长约2毫米,子房明显较粗;花小,被包藏于花苞片内,淡黄色;中萼片卵形,凹的,长约4.5毫米,宽约3毫米,先端近锐尖,具1条脉;侧萼片斜卵形,呈“V”字形对折,长65毫米,宽约2.5毫米,先端锐尖,具1条脉,近唇瓣一侧边缘彼此粘合;花瓣斜卵形,长3毫米,宽2.2毫米,先端圆钝,边缘具细齿,具1条脉,在背面基部具1枚肉质、舌状附属物;唇瓣肉质,舌形,长4.5毫米,宽约2毫米,先端钝,上面基部具凹槽,槽内具1条龙骨脊;蕊柱长约2毫米,蕊柱足不明显;两对花粉团的粘盘柄共同具1个粘盘。花期3-4月。
分布(Distribution):产云南。生于海拔870~2500米的山地疏林中树干上。东南亚也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 441
Sunipia scariosa Lindley, Gen. Sp. Orchid. Pl. 179. 1833.
大苞兰 da bao lan | Orchidaceae  | Sunipia
Ione racemosa (Smith) Seidenfaden; I. scariosa (Lindley) King & Pantling; Stelis racemosa Smith; Sunipia racemosa (Smith) Tang & F. T. Wang; Tribrachia racemosa (Smith) Lindley.
Rhizome creeping, stout, ca. 4 mm in diam. Pseudobulbs ca. 4 cm apart on rhizome, ovoid or obliquely ovoid, 2-3 cm, ca. 1.5 cm in diam., with 1 leaf at apex. Petiole ca. 1.5 cm; leaf blade oblong, 12-16.5 × ca. 2 cm, leathery, base contracted into petiole, apex obtuse and retuse. Scape to 33 cm; raceme ± nodding, more than 10-flowered; peduncle 8-23 cm, 2-3 mm in diam., sparsely with 3-5 tubular sheaths; floral bracts regularly distichous, broadly ovate, cymbiform, ca. 7 × 6 mm, membranous, apex acute. Pedicel and ovary ca. 2 mm. Flowers small, enclosed in floral bracts, pale yellow. Dorsal sepal ovate, concave, ca. 4.5 × 3 mm, apex acute; lateral sepals obliquely ovate, ± V-shaped-conduplicate, ca. 6.5 × 2.5 mm, with 1 vein, their lower edges connate to each other, apex acute. Petals obliquely ovate, ca. 3 × 2.2 mm, 1-veined, abaxial base with 1 fleshy ligulate appendage, margins denticulate, apex obtuse; lip ligulate, ca. 4.5 × 2 mm, fleshy, adaxial base with a channel and a keel in it, apex obtuse. Column ca. 2 mm; foot inconspicuous; 2 pairs of pollinia with 1 common Y-shaped stipe and a single viscidium. Fl. Mar-Apr.
Tree trunks in open forests; 800-2500 m. S and W Yunnan [NE India, Myanmar, Nepal, N Thailand, N Vietnam].
 




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