Phyllode is present in

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(C) The correct answer is $(C)$.In several species of $Acacia$ found in the deserts of Australia,the bipinnate lamina is absent.Instead,the petiole an

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Australian Acacia

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(C) The correct answer is $(C)$.In several species of $Acacia$ found in the deserts of Australia,the bipinnate lamina is absent.Instead,the petiole and part of the rachis become flattened into a sickle-shaped structure to perform the function of photosynthesis.Such a flattened petiole that carries out the functions of the leaf blade (lamina) is called a phyllode.The formation of a phyllode is an adaptive mechanism to reduce transpiration because $(i)$ it is vertically placed and $(ii)$ it has fewer stomata.

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