Search results
1 dzień temu · One species, burweed marshelder (I. Xanthifolia) looks similar to giant ragweed, but the leaves have no deep lobes. Another species, rough marshelder (I. ciliata) is similar in height, but has longer flowering structures with a rough appearance. Dune and coastal marshelders are native to coastal areas in the east and southeast US.
Common Name: Sumpweed. Other Names: Annual Marsh-elder, Rough Marsh-elder. Species Name: Iva annua. Plant Type: Forb. Family Name: Asteraceae, Sunflower Family. Columns of green flowers rise from where leaves attach to stem. Rough texture on stems and leaves; teardrop-shaped leaves with jagged edges. Plant Facts.
Explore our comprehensive guide on True (Rough) Marsh Elder pollen, including allergen details, locations across the US, and botanical insights for healthcare providers and patients managing pollen allergies.
Iva annua L. (Marsh-elder, Pelocote, Rough marsh-elder, Sumpweed, Annual marsh elder, Annual marshelder, Seacoast sumpweed). Family Asteraceae. Genus Iva. World flora
One species, burweed marshelder (I. Xanthifolia) looks similar to giant ragweed, but the leaves have no deep lobes. Another species, rough marshelder (I. ciliata) is similar in height, but has longer flowering structures with a rough appearance. Dune and coastal marshelders are native to coastal areas in the east and southeast US.
Iva annua, the annual marsh elder [3] or sumpweed, is a North American herbaceous annual plant in the family Asteraceae that was historically cultivated by Native Americans for its edible seed.
7 sty 2015 · This datasheet on Iva xanthiifolia covers Identity, Overview, Distribution, Dispersal, Hosts/Species Affected, Diagnosis, Biology & Ecology, Environmental Requirements, Natural Enemies, Impacts, Uses, Prevention/Control, Further Information.
