通过32种梣属植物树皮浸液荧光强度和所含七叶甙(aesculin)及七叶亭(aeseuletin)的测定与本属植物系统分类的比较,确证了属下分类的合理性和宿苞亚组的原始地位。揭示了香豆精成分及秦皮药材资源利用价值最大的类群是本属顶生花序组中的无苞亚组和无瓣亚组。 Through the comparison of the fluorescence intensity of the 32 bark plant bark extracts and the determination of aesculin and aeseuletin contained in this species with the phytosanitary classification, the rationality of the sub-category classification and the confirmation of the sub-category were confirmed. The original status of the subgroup. It was revealed that the group with the largest use value of the coumarin and Qinpi medicinal resources was the non-carious subgroup and the subvalvular subgroup in the terminal inflorescence group.