1. Stout perennial herb of western United States having flower heads with drooping orange-yellow rays; causes spewing sickness in sheep
   - orange sneezeweed, Helenium hoopesii

Type of: sneezeweed

• aperture
• apery
• apeshit
• apetalous
• apetalous flower
• apex
• apex of the sun's way
• Apgar score
• aphaeresis
• aphaeretic
• aphagia
• aphakia
• aphakic
• aphanite
• aphanitic
• aphasia
• aphasic
• Aphasmidia
• aphelion
• apheresis
• apheretic
• aphesis
• aphetic
• aphid
• aphid lion