Question

the line on the leaf are called ______?
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Answer 1

Answer:

These lines on the leaf are ca lled veins. A thick vein seen in the middle of the leaf is called the midrib. The design made by veins in a leaf is called the leaf venation. If this design is net-like on both sides of midrib, the venation is reticulate.

Answer 2

Answer:

Within each leaf, the vascular tissue forms veins. The arrangement of veins in a leaf is called the venation pattern. Monocots and dicots differ in their patterns of venation. Monocots have parallel venation in which the veins run in straight lines across the length of the leaf without converging.