Did you know?

Great Basin bristlecone pines are very long-lived; they can live for over 4500 years and are the oldest living species on earth.

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Strip Barking

Strip barking is a condition that is caused by partial cambial dieback. It can refer to a tree where the cambium has died leaving a strip of exposed wood that extends from a dead branch down to a dead root or to the condition when all of the cambium has died leaving only a thin strip of live bark that extends from one live branch down to one live root. This condition is most common on very old trees. The factors that cause the initial partial cambial dieback and the benefits of this growth form to survival are still being studied by scientists.

Rocky Mountain bristlecone stripbark, Julie Kray Strip barked bristlecone pine.
Great basin bristlecone stripbark Strip barked bristlecone pine.
Stripbark, early stages, Anna Schoettle Diagram of the early stages of strip barking.
Stripbark, later stages, Anna Schoettle Diagram of the later stages of strip barking.

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