杜仲叶为杜仲Eucommia ulmoides的叶的干燥品,因用来做保健茶与保健食品材料,所以近年来流通量明显增加。自古以来,杜仲为供药用的杜仲树皮,而叶的利用在《图经本草》中曾有记载,或食嫩叶,或为汤药,目前正在对其实际的应用价值进行各方面研究。本品因应用在先,因而有必要确立简便的质量鉴定标准。本文就杜仲叶的内部形态进行了研究。在通常采集季节的秋季9月份,从日 Eucommia ulmoides is a dried product of the leaves of Eucommia ulmoides, which is used to make health tea and health food materials. Therefore, the circulation volume has increased significantly in recent years. Since ancient times, Eucommia has been used as a medicinal bark of eucommia bark, and the use of leaves has been described in the “Tu Jing Materia Medica”, or leaves are fresh or decoction, and are currently being studied in various aspects of its practical application value. Because this product is used first, it is necessary to establish a simple quality assessment standard. This article studies the internal morphology of Eucommia leaves. In the autumn of the usual collection season in September, from the day