Stems modified into flat green organs performing the functions of leaves are known as:
Cladodes
Phyllodes
Phylloclades
Scales
As learnt in
Types of special stem modifications -
Phyllacodes - Flat, fleshy, green leaf like structure which has a succession of nodes and internodes at long and short intervals. Leaves are modified into spine or scale to check transpiration. Photosynthesis takes place in phyllacodes. Ex: Opuntia, cereus, Euphorbia
Cladode - Phylloclade with one internode is called cladode. Ex: Aspargus & Ruscus
Thorn - Modification of axillary bud or terminal bud of the stem. It may bear leaves, flowers & Endogenous in origin. Ex: Catissa (Karonda), pomegranate, citrus, Bougainvillae
Tendrils - Helps the plant to climb, When it comes in contact with the neighbouring object it coils round it. It is modification of axillary bud and exogenous in origin. Ex: Grapes, cucumber, pumkins, watermelon etc
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Option 1)
Cladodes
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Option 2)
Phyllodes
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Option 3)
Phylloclades
correct option
Option 4)
Scales
Incorrect option