Leaves and plant identification (continued)

Common apex and base shapes (Figure 16.)

Acute - Ending in an acute angle, with a sharp, but not acuminate, point.
Acuminate - Tapering to a long, narrow point.
Obtuse - Tapering to a rounded edge.
Cuneate - Wedge-shaped; triangular with the narrow end at the point of attachment.
Cordate - Turning in and forming a notch.