Plant stem

Bark (botany)

Outermost layers of stems and roots of woody plants

Branch

Structural part of trees and plants

Cortex (botany)

Outer layer of a stem or root in a vascular plant

Pith

In botany, a tissue in the stems of vascular plants. the central region of a stem, the inner part of the stele that is produced by differentiation of the ground meristem

Plant stem

Structural axis of a vascular plant

Stele (biology)

Botanical term for vascular cylinder

Trunk (botany)

Main wooden axis of a tree

Twig

Small thin terminal branch of a woody plant