marsh elder


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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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.marsh elder - any of various coarse shrubby plants of the genus Iva with small greenish flowersmarsh 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 America
genus Iva - small genus of American herbs or shrubs; in some classifications placed in a separate family Ambrosiaceae
burweed 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 fever
bog plant, marsh plant, swamp plant - a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath
References in periodicals archive ?
The research indicates that the Riverton people likely ate sunflower, marsh elder, two types of chenopod-a family that includes spinach and beets-and possibly squash and little barley, according to the findings.
The high intertidal zone is dominated by the Marsh Elder shrub, Iva frutescens L.
Hacker and Bertness (1996) investigated a salt marsh community, and reported that when black rush (Juncus gerardi) and marsh elder (Iva frutescens) co-occur, marsh elder plants were less likely to be colonized by aphids (Uroleucon ambroisae) than when marsh elder grew alone.