helianthus

== English == === Etymology === From the genus name. Compare helio- (“sun”), antho- (“flower”). === Pronunciation === IPA(key): /ˌhiːliːˈænθəs/ === Noun === helianthus (plural helianthuses) Any plant, of the genus Helianthus, having large flower heads with dark disk florets and showy yellow rays; the sunflowers