marsh elder

marsh elder

n. Any of several North American herbs or shrubs of the genus Iva of the composite family, often growing in salt marshes and having nodding, greenish flower heads.

marsh elder

n (Plants) any of several North American shrubs of the genus Iva, growing in salt marshes: family Asteraceae (composites). Compare elder²

marsh′ el`der

n. any of various composite plants of the genus Iva that grow in salt marshes. [1745–55]

Thesaurus

Noun

1.

marsh elder - 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 Americaivagenus Iva - small genus of American herbs or shrubs; in some classifications placed in a separate family Ambrosiaceaeburweed marsh elder, false ragweed, Iva xanthifolia - tall annual marsh elder common in moist rich soil in central North America that can cause contact dermatitis; produces much pollen that is a major cause of hay feverbog plant, marsh plant, swamp plant - a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath