Sneezeweed

n.

1.

(Bot.) A yellow-flowered composite plant (Helenium autumnale) the odor of which is said to cause sneezing.

Noun

1.

sneezeweed - any of various plants of the genus Helenium characteristically causing sneezing

autumn sneezeweed, genus Helenium, Helenium, Helenium autumnale, Helenium hoopesii, Helenium puberulum, herb, herbaceous plant, orange sneezeweed, owlclaws, rosilla