石斛为兰科石斛属多种植物的茎。笔者最近在检验石斛时，发现有的样品横切面可见一圈环纹，这与标准差异较大，由于其以饮片形式流通，外观性状很难辨别，且该样品产地、植物来源尚未调查清楚，故笔者仅对其组织特征进行了观察描述，并列出了与正品石解的主要区别点。1伪品石斛 Dendrobium is a stalk of a variety of plants from the family Dendrobium. When I recently tested stone coffins, I found that some samples showed a ring of cross-section on the cross-section, which is quite different from the standard, due to its circulation in the form of pieces, the appearance of the character is difficult to distinguish, and the origin of the sample, the plant source has not been investigated clearly, Therefore, the author only observed and described the characteristics of his organization, and listed the main differences with the authentic stone solution. 1 Counterfeit goods