| The sapwood and the duramen are therefore eliminated by splitting, and then the plank is planed down until no irregularities are left in the wood. |
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| In some trees a difference in color exists between the outer part of the wood, the sapwood or alburnum, and the inner part, the heartwood or duramen. |
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| When dried in open air, alburnum and duramen turn reddish brown. |
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| Heartwood, also called duramen, dead, central wood of trees. |
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| Duramen is light yellow to red brown while sapwood is white to yellowish white. |
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