Question

Discuss the different modifications of leaves.

Answer 1

Modification	Definition	Example
1) Tendrils	The leaves are modified into slender wiry and coiled structures called leaf tendrils and support climbers to climb	Pisum Sativum
2) Spines	The leaves modified into a pointed structure and usually protect them from herbivores.	Opuntia
3) Phyllode	It is a green extended structure formed by the modification of petiole or rachis of leaf that carries out photosynthesis.	Acacia
4) Storage leaves	Leaves become fleshy due to storage of water and food material.	Aloe
5) Cotyledons	The mature embryo shows either one or two cotyledons.	Angiosperms and gymnosperms
6) Leaf bladders	Some of the leaves of aquatic plants modified into leaf bladders to trap small insects.	Utricularia
7) Leaf Pitcher	Lamina of the whole leaf is modified into a lid known as a pitcher which traps insects to fulfil the need of nitrogen.	Nepenthes