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Related to sneezeweed: bitter sneezeweed
1. Any of several New World herbs of the genus Helenium of the composite family, having yellow to red-purple rayed flower heads.
2. See sneezewort.
(Plants) any of several American plants belonging to the Asteraceae family, so called because of the allergic reaction they produce in humans and animals
any of several composite plants of the genus Helenium, the flowers of which cause sneezing.
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|Noun||1.||sneezeweed - any of various plants of the genus Helenium characteristically causing sneezing|
autumn sneezeweed, Helenium autumnale - North American perennial with bright yellow late summer flowers
Helenium hoopesii, orange sneezeweed, owlclaws - stout perennial herb of western United States having flower heads with drooping orange-yellow rays; causes spewing sickness in sheep
Helenium puberulum, rosilla - a sneezeweed of southwestern United States especially southern California