Gymnosporangium

1 definition found

From WordNet (r) 2.0 [wn]:

  Gymnosporangium
       n : 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}]