茎的初生结构中多个维管束排列成环状，节部为单隙三迹，叶迹分别来自于3条维管束或同一条维管束。
The vascular bundles of the primary structure in stem are ring arranged, and the node is unilacunar and 3-traced, which is from three vascular bundles or one vascular bundle.
下胚轴大部分区段同时具有根、茎初生结构的特征。
Most portion of hypocotyl has the characteristic of the primary structures of its root and stem.
简述根与茎初生结构的区别？
Describe the difference of primary structure between root and stem.
简述根与茎初生结构的区别？
Describe the difference of primary structure between root and stem.
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