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armillaria root rot

[ahr-muh-lair-ee-uh]
noun
  1. a widespread rot caused by the honey mushroom, Armillariella mellea, seriously damaging to the roots of various hardwoods, conifers, and other trees.

Origin of armillaria root rot

< New Latin Armillaria an earlier name for the genus, equivalent to Latin armill(a) bracelet (referring to the braceletlike frill on such mushrooms; see armillary) + -aria, feminine of -arius -ary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019