叶柄的基本组织中具有裂生分泌腔，5~8束维管束呈弧形排列或散布在薄壁组织中；
There are 5~8 vascular bundles arranged in arch shape. Secretory cavities are present in the ground tissue of petiole.
叶柄的基本组织中具有裂生分泌腔，5~8束维管束呈弧形排列或散布在薄壁组织中；
There are 5~8 vascular bundles arranged in arch shape. Secretory cavities are present in the ground tissue of petiole.
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