n.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
n.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
同义词：iva
英汉双解大词典
marsh elder
1.
N（名词）
any of several North American shrubs of the genus Iva, growing in salt marshes: family Asteraceae (composites) 菊科灌木 → compare elder