欢迎访问《中国药科大学学报》！ 关键词: 石斛 茎横切面 显微鉴定[gap=325]keywords: Dendrobium,Rhizome transection,Microscopic identification
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Compared the heading stage with maturing stage of stem anatomic structure, it was showed some different characters. The stem transverse section of heading stage had some characters as followed.
与成熟期相比,抽穗期的茎横切面表现为组织分化不成熟,中部没有显示出髓腔。
参考来源 - 披碱草属（Elymus L.）植物形态解剖学研究·2,447,543篇论文数据，部分数据来源于NoteExpress
结果：紫果西番莲茎横切面皮层有少量草酸钙簇晶；
Result:In the cross section of the stem, a few clusters of calcium oxalate were observed in the cortex.
髓和茎横切面的面积比值大小是影响倒伏的重要因素。
The area ratio between the transection of pith and whole stern is an important factor on lodging-resistant.
茎的初生维管束中有3大束和5～7小束，两个大维管束之间夹有2～3个小维管束，所有维管束在茎的横切面上呈环状排列；
There were 3 big vascular bundles and 5~7 small vascular bundles in young stem, and there were 2~3 small vascular bundles between two big vascular bundles, they were all arranged in circularity.
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