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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, 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.
Rough marshelder (Iva annua) is a coarse-textured plant (1) that usually attains a height of around 1-4 feet (2). This plant typically possesses a single stem and a flowering spike with heads holding pistillate and staminate flowers.
5 dni temu · 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.
Not reaching farther north than Pennsylvania in its native range, rough marsh-elder is non-native in New England, but a common annual elsewhere in North America. Like ragweed, it is a source of allergenic airborne pollen.
Iva annua L. (Marsh-elder, Pelocote, Rough marsh-elder, Sumpweed, Annual marsh elder, Annual marshelder, Seacoast sumpweed). Family Asteraceae. Genus Iva. World flora
Rough Marsh Elder, IgE, Serum. Useful For. Establishing a diagnosis of an allergy to rough marsh elder. Defining the allergen responsible for eliciting signs and symptoms. Identifying allergens: -Responsible for allergic response and/or anaphylactic episode. -To confirm sensitization prior to beginning immunotherapy.
