叶柄薄壁细胞存在晶体，叶柄的导管管径比较大，有大量的通气组织。
The crystals exist in parenchyma cells of its petioles. Its petioles have big vessels and much aerenchyma.
导管分支丰富，形态自然，分布均匀，管壁光滑，分支导管与上一级导管管径过渡平缓。
Duct branch is rich in natural form of uniform distribution, wall smooth, branch pipe and tube diameter on the transition to a flat.
导管分支丰富，形态自然，分布均匀，管壁光滑，分支导管与上一级导管管径过渡平缓。
Duct branch is rich in natural form of uniform distribution, wall smooth, branch pipe and tube diameter on the transition to a flat.
应用推荐