Hypoxylon

noun

Hy·​pox·​y·​lon

hīˈpäksəˌlän

: a genus of fungi (family Xylariaceae) having effuse to hemispherical stromata and including a species (H. pruinatum) that causes a canker of poplars compare xylaria

Word History

Etymology

New Latin, from hypo- + -xylon

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