- sneezeweed - any of various plants of the genus Helenium characteristically causing sneezing
--1 is a kind of herb, herbaceous plant
--1 is a member of Helenium, genus Helenium
--1 has particulars:autumn sneezeweed, Helenium autumnale; orange sneezeweed, owlclaws, Helenium hoopesii; rosilla, Helenium puberulum