叶脉

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

叶、叶柄、胚轴维管束均为外韧型。

The haustrum structure of the two were similar and both were composed of parenchyma and spiral vessel.

北桑寄生叶较薄，叶发达，无栅栏组织和海绵组织分化。

The mechanical tissues were mainly composed of fibre, flakily situated in the tops and bottoms of most veins.

由纤维组成机械组织，成片存在于绝大多数叶方。

Leaves basal and cauline, alternate, rarely opposite or whorled, simple or variously compound, palmately nerved, rarely penninerved, with or without stipules.

叶基生和茎生，互生，很少对生者生，单叶者复叶，掌状叶，很少羽状，有无托叶。

The results indicate that leaves of C. pseudocuraica from five different environments exist the same structure.They are all made up of epidermis, mesophyll and nervure.

5种生境漂筏苔草叶片具有相同结构，都是由表皮、叶肉和叶三部分构成。

Stipular film is qualitative, elliptical shape wraps around needle form, grow 7-15 millimeter, tip gradually pointed, the brim has gland a tooth-like part of anything, edge nervation by fluff.

托叶膜质,椭圆状披针形,长7-15毫米,先端渐尖,边缘具腺齿,沿叶被柔毛。

The water drops upon the light green leaves, sliding across the nervure, rolling to the edge of the leaves and down to the land, streching its transparent and full of change body.

雨滴打在翠绿树叶，慢慢滑过细细叶，从叶子边缘滚落到地，伸展着它透明而富于变化身体。