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nounnewly formed outer wood lying between the cambium and the heartwood of a tree or woody plant; usually light colored; active in water conductiontype of:
Definition that contains sapwood
- heartwood the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood
- white pine blister rust any of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externally
- blister rust any of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externally
- white-pine rust any of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externally
- duramen the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood