通过分析平面绿量效率这一指标，客观地说明了一些具有高叶面积指数、冠幅较大速生落叶大乔木应是遮荫树主体。

By analyzing the efficiency of LVV_H, it objectively illustrated that the tree with lager crown and higher LAI was the preference for shading.

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泡桐属一种中国产的泡桐属落叶乔木，具有心形的大对生叶片，淡紫色或白色锥状花冠，内部具有花斑。

Any of several Chinese deciduous trees of the genus paulownia having large heart-shaped opposite leaves and pyramidal panicles of purplish or white flowers with a spotted interior.

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泡桐属一种中国产的泡桐属落叶乔木，具有心形的大对生叶片，淡紫色或白色锥状花冠，内部具有花斑。

Any of several Chinese deciduous trees of the genus Paulownia, having large, heart - shaped, opposite leaves and pyramidal panicles of purplish or white flowers with a spotted interior.

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