| 1. | It was surrounded by other species .
它四周都有其它树种包围。 |
| 2. | The trees are planted on the banks .
树种植在岸上。 |
| 3. | This hybrid seemed to combine the properties of both parental species .
这个杂种似乎兼具两个亲本树种的特征。 |
| 4. | Cupressaceae and taxodiaceae produce their flowers terminally on the branches .
柏科和杉科树种是在枝条顶端开花的。 |
| 5. | For the majority of tree species this method appears to be very well suited .
对于大多数树种来说，这个方法看来都是适合的。 |
| 6. | The release of winged-seed from acer and fraxinus species, can be encouraged by shakers .
对于槭属和q属等种子有翅的树种，可以用摇树机摇落。 |
| 7. | Some trees, such as junipers, cherries, and hawthorns, produce fruits that are eaten by birds .
有些树种如桧柏、樱桃和山楂结出能被鸟类吞食的浆果。 |
| 8. | One factor within the crown of monoecious species is the proximity of male and female flowers .
雌雄同株树种的树冠内的一个因素，就是雄花和雌花很接近。 |
| 9. | Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos .
许多林木树种都有颈卵器，受精以后便产生许多原胚。 |
| 10. | Overdominance or heterosis for catkin length in interspecific crosses has been reported .
栗树种间杂交在荑花序长度上所表现的超亲（或杂种优势）已报道了。 |
