Meanings
nounhelianthus (plural helianthuses)
plural helianthuses
- Any plant, of the genus Helianthus, having large flower heads with dark disk florets and showy yellow rays; the sunflowers
Synonyms & antonyms
nounany plant of the genus Helianthus having large flower heads with dark disk florets and showy yellow rays
Similar
Broader
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From the genus name. Compare helio- (“sun”), antho- (“flower”).
Full word history & related roots →Cite this entry
APA
helianthus. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/helianthus
MLA
“helianthus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/helianthus. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “helianthus,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/helianthus.
Source: helianthus on Wiktionary, CC BY-SA 4.0.