维管束的

Interfascicular cambium A single layer of actively dividing cells between the vascular bundles in stems.

束间形是位于茎管束间具有旺盛分裂能力细胞。

The development of xylem is of mesarch.Stomata are monocyclic type.

叶脉、叶柄、上胚轴管束为外韧型。

The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.

主脉发达，有异细胞组管束鞘，具双生韧皮部。