托叶

完全叶由叶柄、叶片和托叶组成。

Complete leaf composed of petiole , blade and stipule .

托叶：由叶柄或叶基部生长出的变态的叶，为发育产生的外部结构。

Stipule A modified leaf found as an outgrowth from the petiole or leaf base .

托叶的一个小维管束这些孩子不听管束。

A small bundle of stipules The children were beyond control .

一片完全的叶有三个部分组成，即叶片、叶柄、托叶。

A complete leaf consists of a lamina , a petiole and stipules .

29分类群悬钩子属药用植物托叶的形态比较观察

The observation on stipules of 29 plants of Rubus

目的：研究托叶在各种类之间的形态学差别。

Objectives : To study the difference of the stipules of the plants of Rubus .

托叶的一个小维管束电视摄像管电子束孔

A small bundle of stipules quantizing aperture

托叶的一个小维管束

A small bundle of stipules

叶互生，奇数羽状复叶，无托叶，具长柄；

Foliaceous each other is unripe , odd a shape compound leaf , without stipule , provide long power ;

这些维束管在各个小叶基部将成为托叶的维管组织部分。

These bundles will become part of the vascular tissue of the stipels at the base of the individual leaflets .

托叶的一个小维管束草莓叶柄托叶外植体快速繁殖的研究

A small bundle of stipules Study on Tissue Culture and Rapid Propagation of Virus-elimination Strawberry by Inoculating with the Single Petiole

。接种试验表明，该菌主要为害花生叶片，其次为害叶柄和托叶，而茎和荚果不发病；

Inoculation experiment showed that the pathogen infected mainly the leaves , secondly the petioles and the stipules , but not the stems and the pods .