Structure of leaf which provides channels of transport for water,minerals,and food materials is called:

Which type of phyllotaxy is found in Alstonia?

In which type of leaf are stomata equally distributed on both surfaces?

Phyllotaxis is

You have heard about several insectivorous plants that feed on insects. Nepenthes or the pitcher plant is one such example,which usually grows in shallow water or in marshy lands. What part of the plant is modified into a pitcher? How does this modification help the plant for food even though it can photosynthesize like any other green plant?

Which part of the leaf shows venation?