blackseed

Từ điển WordNet v3.1 - WordNet Dictionary

noun

grass native to West Indies but common in southern United States having tufted wiry stems often infested with a dark fungus
• Syn:
smut grass, carpet grass, Sporobolus poiretii
• Hypernyms:
dropseed, drop-seed
• Member Holonyms:
Sporobolus, genus Sporobolus