smut fungus


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smut fungus

n.
1. Any of various plant diseases, especially of cereal grasses, caused by parasitic fungi chiefly of the class Ustilaginomycetes that form black powdery masses of spores on the affected parts.
2. A fungus causing such a disease.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.