Identify the structures functioning like a leaf.
I. Phyllode
II. Phylloclade
III. Sepals
IV. Petals
Phyllode is green petiole, Phylloclade is green aerial stem or branch and sepals which are usually green colored carryout photosynthesis like normal leaf. Petals are usually brightly colored other than green and do not carry out photosynthesis but help in attracting the pollinators.