Types of Leaves in Angiosperms

Leaves prepare food for the plants. Respiratory activities are performed  by the leaves through stomata. Leaves perform the vascular and execratory activities of foodstuffs. Leave help in performing conducive reproduction and pollination. Some leaves work to store food-stuffs.

Leaves undergo through various modifications like the following—

• Leaf spines : In this class of modification leaves transform into spines. Examples-Cactus, lemon etc.
• Floral leaves : In this class of modification floral activities like calyx, corolla etc are performed by the leaves.
• Bract : In this class of modification leaves become colored and fascinate the insects towards themselves.
• Scaly leaves: Sometimes leaves modified themselves to protect buds and other soft organs of the plant, called scaly leaves. Sometimes scaly leaves also store the food-stuffs. Example-Garlic, onion, etc.
• Leaf root : In this class of modification, leaves transform into roots. Example- Briophylem etc.
• Leaf tendril : In this class of modification leaves take the form of tendrils. Example-Pea plant.
• Storage leaves : In this class of modification leaves store foodstuffs and become thickened and tuberous.
• Picher : In this class leaves accommodate to trap the insects and modified themselves in the form of bags. Example-Pitcher plant.
• Bladder : In this class of modification, leaves transform themselves in the form of bladder to trap   the aquatic insects like utriculeria etc.
• Leaf hooks : In this class of modification leaves turn like nails. Example-bignonia etc.
• Phyllode : Australian acacia etc.