Sapwood

From Wikipedia, the free encyclopedia

A section of a Yew branch showing 27 annual growth rings, pale sapwood and dark heartwood, and pith (centre dark spot). The dark radial lines are small knots.

For the NATO reporting name for the R-7 Semyorka intercontinental ballistic missile, see SS-6 Sapwood.

Sapwood is the outer layer of wood in a tree, next to the bark. See also wood#Heartwood and sapwood.

This tree-related article is a stub. You can help Wikipedia by expanding it.