Hi, If you google it, you'll find a few hits that use the term to refer to a disease of trees. Best wishes, Clive
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AnonymousA punk knot is a structure that forms on tree trunks when a rotting fungus is at work inside the trunk. It may serve the function of facilitating gas exchange to interior tissues so that the decay process can continue and spread. The punk knot is a fungal canker that resembles a woody knot on the tree but is composed of fungal tissue.It sou