黄花杓兰Cypripedium flavum
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.
（责任编辑：徐晔春）
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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