Term:
Leaf symmetrical
Leaf symmetrical
Definition:
Referring to the form of a leaf with the blade equal on each side of the midrib.
Referring to the form of a leaf with the blade equal on each side of the midrib.
Glossary Details:
Title: Leaf symmetry. Drawing by M. Sashital.
Description: Symmetrical leaves have the blade on each side of the midrib equal (left hand leaf) whereas asymmetrical leaves may either have each side entirely unequal (middle leaf) or only have the bases unequal (right hand leaf). Based on Hickey (1973). For more information about leaf morphology and leaf venation see Ellis et al. (2009).