• noun
• synonym
• antonym

• Helenium autumnale (noun)
  1. north American perennial with bright yellow late summer flowers
• Helenium hoopesii (noun)
  1. stout perennial herb of western United States having flower heads with drooping orange-yellow rays; causes spewing sickness in sheep
• Helenium puberulum (noun)
  1. a sneezeweed of southwestern United States especially southern California
• Inula helenium (noun)
  1. tall coarse Eurasian herb having daisylike yellow flowers with narrow petals whose rhizomatous roots are used medicinally
• genus Helenium (noun)
  1. genus of American herbs with flowers having yellow rays: sneezeweeds
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