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木莲属的所有种中都有具梯状穿孔板的导管分子,但在少数种中偶然可见到单穿孔。
Manglietia species all have scalariform perforation plates, only a few also have simple perforations.
youdao
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木莲属的所有种中都有具梯状穿孔板的导管分子,但在少数种中偶然可见到单穿孔。
Manglietia species all have scalariform perforation plates, only a few also have simple perforations.
youdao