Heartwood vs. Sapwood



The wood nearer the heart of a stem or branch, different in color from the sapwood

‘A popular myth is that heartwood is stronger than sapwood.’; ‘The staves are split from the heartwood. The heartwood is composed of dead cells; it supports the tree, but no longer has any physiological purpose. The staves must follow the grain of the wood to achieve a watertight cask, so they are split rather than sawn. — [http://www.pediacognac.com/en/le-vieillissementle-vieillissementle-vieillissement/vom-stamm-zur-fassdaubefrom-log-to-stavede-la-grume-au-merrain/ L'encyclopédie du Cognac: From log to stave]’;


The wood just under the bark of a stem or branch, different in color from the heartwood.

‘A popular myth is that sapwood is not as strong as heartwood.’;


The hard, central part of the trunk of a tree, consisting of the old and matured wood, and usually differing in color from the outer layers. It is technically known as duramen, and distinguished from the softer sapwood or alburnum.


The alburnum, or part of the wood of any exogenous tree next to the bark, being that portion of the tree through which the sap flows most freely; - distinguished from heartwood.


the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood


newly formed outer wood lying between the cambium and the heartwood of a tree or woody plant; usually light colored; active in water conduction


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