sneezeweed

/ˌsnizˈwid/

Definitions of sneezeweed

1. noun

   any of various plants of the genus Helenium characteristically causing sneezing
   types:

   Helenium autumnale, autumn sneezeweed

   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

   type of:

   herb, herbaceous plant

   a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests