What Is Decurrent Leaves?

Decurrent (sometimes decurring) is a term used in botany and mycology to describe plant or fungal parts that extend downward. In botany, the term is most often applied to leaf blades that partly wrap or have wings around the stem or petiole and extend down along the stem.

What are Excurrent trees?

Hint: Excurrent Trees are trees that have one central leader better than multi-trunked forms. Excurrent - In arboriculture, a tree that has a straight trunk from the ground level to the very tip. Many trees and arborescent shrubs (tree-like shrubs) are selected for this very excurrent growth structure.

What is a petiole on a leaf?

A plant leaf is generally composed of a petiole and a leaf blade. The petiole connects the leaf blade to the plant stem and, from a structural viewpoint, it resembles a cantilever beam.