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6种五倍子的组织解剖学表现出一致性：表皮层由1层细胞组成，无气孔结构，皮层薄壁组织在五倍子壁结构中占最主要的部分，乳汁道与维管束伴生，贯穿于倍壁，由外至内乳汁道、韧皮部、木质部依序排列，皮层薄壁组织中，导管螺纹状加厚。不同种类的五倍子，其壁厚，表皮毛密度和形态、表皮层形状、维管束的分布存在明显的差异，附6种五倍子组织学特征检索表。
The consistency of the histological anatomy of the six species of gallnuts was uniform: the epidermis consisted of one layer of cells and had no stomatal structure. The cortical parenchyma constituted the most prominent part of the gallnut wall structure, and the milk ducts and vascular bundles were associated throughout. From the outer to the inner milk ducts, phloem, xylem arranged in order, cortical parenchyma, the catheter threaded thickened. Different species of Chinese gallnut, its wall thickness, epidermis gross density and morphology, epidermal layer shape, distribution of vascular bundles are significantly different, with six kinds of Chinese gall nutritious features of the retrieval table.