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黄花杓兰Cypripedium flavum

时间:2013-10-23 18:26来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):黄花杓兰 学名( Scientific Name ): Cypripedium flavum P. F. Hunt et Summerh. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Cypripedium reginae Walt. :Rolfe 科属( Family G
中文名(Chinese Name):黄花杓兰
学名(Scientific Name):Cypripedium flavum P. F. Hunt et Summerh.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Cypripedium reginae Walt. :Rolfe
科属(Family & Genus):兰科(Orchidaceae)杓兰属
形态特征(Description):植株通常高30-50厘米,具粗短的根状茎。茎直立,密被短柔毛,尤其在上部近节处,基部具数枚鞘,鞘上方具3-6枚叶。叶较疏离;叶片椭圆形至椭圆状披针形,长10-16厘米,宽4-8厘米,先端急尖或渐尖,两面被短柔毛,边缘具细缘毛。花序顶生,通常具1花,罕有2花;花序柄被短柔毛;花苞片叶状、椭圆状披针形,长4-8厘米,宽约2厘米,被短柔毛;花梗和子房长2.5-4厘米,密被褐色至锈色短毛;花黄色,有时有红色晕,唇瓣上偶见栗色斑点;中萼片椭圆形至宽椭圆形,长3-3.5厘米,宽1.5-3厘米,先端钝,背面中脉与基部疏被微柔毛,边缘具细缘毛;合萼片宽椭圆形,长2-3厘米,宽1.5-2.5厘米,先端几不裂,亦具类似的微柔毛和细缘毛;花瓣长圆形至长圆状披针形,稍斜歪,长2.5-3.5厘米,宽1-1.5厘米,先端钝,并有不明显的齿,内表面基部具短柔毛,边缘有细缘毛;唇瓣深囊状,椭圆形,长3-4.5厘米,两侧和前沿均有较宽阔的内折边缘,囊底具长柔毛;退化雄蕊近圆形或宽椭圆形,长6-7毫米,宽5毫米,基部近无柄,多少具耳,下面略有龙骨状突起,上面有明显的网状脉纹。蒴果狭倒卵形,长3.5-4.5厘米,被毛。花果期6-9月。
分布(Distribution):产甘肃南部、湖北西部(房县)、四川、云南西北部和西藏东南部。生于海拔1800-3450米林下、林缘、灌丛中或草地上多石湿润之地。模式标本采于四川。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 23, 25      
Cypripedium flavum P. F. Hunt & Summerhayes, Kew Bull. 20: 51. 1966.
黄花杓兰 huang hua shao lan| Orchidaceae  | Cypripedium
Plants often 30-50 cm tall, with a stout, usually rather short rhizome. Stem erect, densely pubescent, especially near upper nodes, with several sheaths at base and 3-6 leaves above. Leaves well spaced; blade elliptic to elliptic-lanceolate, 10-16 × 4-8 cm, both surfaces pubescent, shortly ciliate, apex acute or acuminate. Inflorescence terminal, 1- or rarely 2-flowered; peduncle pubescent; floral bracts foliaceous, elliptic-lanceolate, 4-8 × 1.8-2.3 cm, pubescent; pedicel and ovary 2.5-4 cm, densely rusty hairy. Flowers yellow, sometimes tinged or flushed with red, occasionally with maroon spots on lip. Dorsal sepal elliptic to broadly elliptic, 3-3.5 × 1.5-3 cm, abaxial midvein and base sparsely puberulent, shortly ciliate, apex obtuse; synsepal broadly elliptic, 2-3 × 1.5-2.5 cm, subglabrous, apex nearly unlobed. Petals oblong to oblong-lanceolate, slightly oblique, 2.5-3.5 × 1-1.5 cm, adaxially pubescent toward base, shortly ciliate, apex obtuse; lip deeply pouched, globose-ellipsoid, 3-4.5 cm. Staminode orbicular or broadly elliptic, 6-7 × ca. 5 mm, abaxially slightly keeled, adaxially with conspicuous reticulate veins, subsessile and ± auriculate. Capsule narrowly obovoid, 3.5-4.5 cm, hairy. Fl. and fr. Jun-Sep. 2n = 20*.
● Forests, forest margins, thickets, stony places on grasslands; 1800-3500 m. S Gansu, W Hubei (Fangxian), Sichuan, SE Xizang, NW Yunnan.




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