發送短信 : Pollination of wild lady slipper orchids Cypripedium yunnanense and C. flavum (Orchidaceae) in south-west China: Why are there no hybrids? (Botanical Journal of the Linnean Society (January 2008) 156: 1 (51-64))

 _____       ___     _____      _____    ______   
|  __ \\    / _ \\  |  __ \\   |  ___|| |      \\ 
| |  \ ||  | / \ || | |  \ ||  | ||__   |  --  // 
| |__/ ||  | \_/ || | |__/ ||  | ||__   |  --  \\ 
|_____//    \___//  |_____//   |_____|| |______// 
 -----`     `---`    -----`    `-----`  `------`