Analyze the parts of a typical leaf.
a. A typical leaf has three main parts: leaf base, petiole, and lamina.
b. The leaf is attached to the stem by the lamina.
c. The leaf base may bear two lateral small leaf-like structures called stipules.
d. In some leguminous plants, the leaf base may become swollen, which is called the pulvinus.
e. The petiole helps hold the leaf blade to light.
f. The lamina is the green, expanded part of the leaf.
g. A prominent vein in the middle of the lamina is known as the midrib.
