• Biology,  Botony


    The leaf is a lateral generally flattened structure borne on the stem. The leaves develop from the nodes. Their main function is photosynthesis and food making, axillary buds are found in its axil. All the leaves of a plant are known as phyllome. Axillary bud later develops into a branch. Leaves originated from shoot apical meristem and are arranged in acropetal order. Leaf is divided into 3 main parts : Leaf base (Hypopodium) – Leaves are attached to stem by leaf base. In some plants, leaf base becomes swollen and is called pulvinus which is responsible for sleep movement e.g., Cassia, mimosa, bean. In some plants, leaf base expands into…


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