flag smut fungus

Từ điển WordNet v3.1 - WordNet Dictionary

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
• Hypernyms:
smut, smut fungus
• Hyponyms:
wheat flag smut, Urocystis tritici
• Member Holonyms:
Urocystis, genus Urocystis