Gymnosporangium

noun

genus of fungi that produce galls on cedars and other conifers of genera Juniperus and Libocedrus and causes rust spots on apples and pears and other plants of family Rosaceae

• Syn: ↑genus Gymnosporangium

• Hypernyms: ↑fungus genus

• Member Holonyms: ↑Pucciniaceae, ↑family Pucciniaceae

• Member Meronyms: ↑apple rust, ↑cedar-apple rust, ↑Gymnosporangium juniperi-virginianae

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\\|jim(ˌ)nō+\ noun

Usage: capitalized

Etymology: New Latin, from gymn- + sporangium

: a genus of heteroecious rusts (family Pucciniaceae) that have mostly 2-celled teliospores whose pedicels and walls form a gelatinous mass when wet, that in the telial stage produce galls on cedars and other conifers of the genera Juniperus and Libocedrus, and that in the aecial stage cause rust spots on the leaves and fruit of apples, pears, and other plants of the family Rosaceae — see apple rust