Question

What is petiole? What is Lamina?

Answer 1

Answer:

botany, the petiole (/ˈpiːtioʊl/) is the stalk that attaches the leaf blade to the stem. Outgrowths appearing on each side of the petiole in some species are called stipules. Leaves lacking a petiole are called sessile or epetiolate.

plate" or "layer". It is used in both gross anatomy and microscopic anatomy to describe structures. Some examples include: The laminae of the thyroid cartilage: two leaflike plates of cartilage that make up the walls of the structure. Wikipedia

Answer 2

Answer:

Petiole is the part of the a leaf blades where the two halve of the leaf ends  whereas the lamina is the expanded portion  leaf which is specialized for photosynthesis.