The Scarlet Pimpernel
緋紅矮地黃
For instance, the blue and red pimpernel, which are considered by most botanists as varieties, are said by Gartner to be quite sterile when crossed, and he consequently ranks them as undoubted species.
例如，被大多數植物學家認爲是變種的藍色和紅色 pimpernel，Gartner 認爲雜交後非常不育， 因此他將它們列爲無可置疑的物種。
來源: On the Origin of SpeciesThe Scarlet Pimpernel
緋紅矮地黃
For instance, the blue and red pimpernel, which are considered by most botanists as varieties, are said by Gartner to be quite sterile when crossed, and he consequently ranks them as undoubted species.
例如，被大多數植物學家認爲是變種的藍色和紅色 pimpernel，Gartner 認爲雜交後非常不育， 因此他將它們列爲無可置疑的物種。
來源: On the Origin of Species探索常見搜尋詞彙