石楠属的花粉形态及其分类意义。
Title Pollen morphology of Photinia (Rosaceae) and its systematic significance.
尽管石楠属植物具有一定的抗寒性，但事实上气温是限制其向山东部分地区推广的一个重要的环境因子。
Although Photinia plants can resist on certain low temperature stress, the temperature was one of the important factors as the limitation to introduce to some areas of ShanDong.
尽管石楠属植物具有一定的抗寒性，但事实上气温是限制其向山东部分地区推广的一个重要的环境因子。
Although Photinia plants can resist on certain low temperature stress, the temperature was one of the important factors as the limitation to introduce to some areas of ShanDong.
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