| 单词 | Gymnadenia |
| 例句 | In Gymnadenia tridentata, according to Asa Gray, the anther opens in the bud, and the pollen being somewhat coherent falls on the stigma and on the rostellum which latter is penetrated by the pollen-tubes. More Letters of Charles Darwin — Volume 2 I have asked Asa Gray for seeds, to whom I have mentioned your observations on rostellum, and asked him to look closer to the case of Gymnadenia. More Letters of Charles Darwin — Volume 2 Certainly, if I may trust the vessels, the simple labellum of Gymnadenia consists of three organs soldered together. More Letters of Charles Darwin — Volume 2 Asa Gray's observations on the rostellum of Gymnadenia are very imperfect, yet worth looking at. More Letters of Charles Darwin — Volume 2 Read Asa Gray in 2nd Review of my Orchis book on pollen of Gymnadenia penetrating rostellum. More Letters of Charles Darwin — Volume 2 |
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