Palisade tissue is rich in saliferous vacuoles, while vascular bundle sheath is obvious.

栅栏组织富含含盐液泡泡，维管束鞘明显。

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

主脉发达，有异细胞组成的维管束鞘，具双生韧皮部。