而油细胞的颜色，非腺毛、叶迹维管束及维管束的多少则是显微上的主要区别点。
The color of Oil cell, the number of non-glandular hair, leaf-trace bundle and vascular bundle are distinct in micro-character.
这种维管束斜生于茎内的部分，称为叶迹。
These parts of bundles in the stem be regarded as leaf trace.
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.
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.
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