While cultivated Radix Saposhnikovia had phloem transverse section of root with oil tube lining up 10-11 rings and xylem vessel with distinct annual ring.
木质部导管呈放射状排列，但年轮状不明显。防风栽培品根横切面韧皮部油管10～11轮；
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Objective This paper explored the method of inducting Saposhnikovia divaricata polypliod with up-germ and compared the difference of anatomy and shape of polypliod with two-pliod.