flag smut fungus

Definitions of flag smut fungus
  1. noun
    a smut fungus causing a smut in cereals and other grasses that chiefly affects leaves and stems and is characterized chains of sori within the plant tissue that later rupture releasing black masses of spores
    see moresee less
    Urocystis tritici, wheat flag smut
    fungus affecting leaves and stems of wheat
    type of:
    smut, smut fungus
    any fungus of the order Ustilaginales
Word Family