lamina

(noun)

the flat part of a leaf; the blade, which is the widest part of the leaf

Related Terms

Examples of lamina in the following topics:

  • Types of Leaf Forms

    • Leaves may be categorized as simple or compound, depending on how their blade (or lamina) is divided.
    • There are two basic forms of leaves that can be described considering the way the blade (or lamina) is divided.
    • In simple leaves, the lamina is continuous.
    • In compound leaves, the lamina is separated into leaflets.

  • Leaf Structure and Arrangment

    • Each leaf typically has a leaf blade called the lamina, which is also the widest part of the leaf.

  • Leaf Structure, Function, and Adaptation

    • Many aquatic plants have leaves with wide lamina that can float on the surface of the water; a thick waxy cuticle on the leaf surface that repels water.