5.3.1 Venation

The arrangement of veins and veinlets in the lamina of leaf is called as venation. When veinlets form a network, the venation is called as reticulate.   When the veins run parallel to each other within a lamina, the venation is called as parallel. Leaves of dicotyledonous plants generally have reticulate venation, while parallel venation is the found in most monocotyledons.

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