marsh elder

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any of various coarse shrubby plants of the genus Iva with small greenish flowers;
common in moist areas (as coastal salt marshes) of eastern and central North America
• Syn:
iva
• Hypernyms:
marsh plant, bog plant, swamp plant
• Hyponyms:
burweed marsh elder, false ragweed, Iva xanthifolia
• Member Holonyms:
genus Iva