exstipulate

exstipulate

1. Leaves simple, alternate or opposite, exstipulate, margin entire or dentate, venation pinnate or triplinerved.

单叶，互生或对生，无托叶，边缘全缘或具牙齿的，羽状脉或离基三出脉的。

2. Leaves simple, exstipulate, alternate, rarely opposite, entire or serrate at margin.

单叶，无托叶，互生，很少对生，全缘的或有锯齿在边缘。

3. Leaves alternate or opposite, entire, exstipulate.

叶互生或对生，全缘，无托叶。

4. Leaves alternate or opposite, petiolate, exstipulate, simple.

叶互生或对生，具叶柄，无托叶，单。

5. Leaves alternate, exstipulate, petiolate;

叶互生，无托叶，具叶柄；

6. Leaves alternate, spirally arranged, exstipulate, petiolate;

叶互生，螺旋状排列，无托叶，具叶柄；

7. Leaves whorled, exstipulate, united at base;

叶卷成，无托叶，基部合生；

8. Leaves basal and rosulate, or alternate, rarely whorled, stipulate or exstipulate;

叶基生和莲座状，或互生，很少轮生，具托叶的或无托叶；

9. Leaves opposite, odd-pinnately compound, or trifoliolate, rarely simple, stipulate or exstipulate;

叶对生，具三小叶，很少单，具托叶的奇数羽状复叶，或或；

10. Leaves opposite, exstipulate, veins 3-5, basifugal, margin entire or serrate.

叶对生，无托叶，脉3-5，，边缘全缘或有锯齿。

11. Leaves odd-pinnate, alternate, exstipulate;

奇数羽状复叶，互生；

12. exstipulate leaf

无托叶的叶

13. Leaves opposite, decussate, exstipulate, linear or spatulate, notched at apex, entire or very rarely toothed, somewhat congested toward apex of stems reaching water surface, to form a rosette;

茎纤细叶对生，交互对生，无托叶，线形或者匙形，先端具缺刻，全源或很少有锯齿，水生种类的叶在茎端稍密集成莲座状；

14. Leaves alternate, usually conferted at apex of branchlets, simple, entire, long petiolate, exstipulate.

，叶互生，通常在小枝的先端密集，单叶，全缘，具长叶柄，无托叶。