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商品石斛的植物来源复杂,规格繁多,外形鉴定较困难。为了准确鉴定石斛的品种,对常作为药用的16种石斛属(Dendrobium Sw)植物的叶鞘进行了显微观察,发现其表皮细胞的形状,大小,所含草酸钙结晶的形状、大小、分布等种间区别较明显,可作为鉴别石斛种类的科学依据之一。本文对金钗石斛D.nobile Lindl。等16种石斛的叶鞘表面特征加以描述,并附主要特征图和检索表。
The products of Dendrobium officinale are complex in source and have many specifications, making it difficult to identify the appearance. In order to accurately identify the species of Dendrobium, microscopic observations were made on the leaf sheaths of 16 species of Dendrobium Sw, which are commonly used as medicinal materials, and the shape, size, shape, size, and distribution of the calcium oxalate crystals were found. Such as the obvious difference between species, can be used as one of the scientific basis for identification of Dendrobium species. This article is for D.nobile Lindl. The surface characteristics of leaf sheaths of 16 species of Dendrobium were described, along with the main feature maps and the retrieval tables.