Definition of helianthus in English:

helianthus

Syllabification: he·li·an·thus
Pronunciation: /ˌhēlēˈanTHəs
 
/

noun

  • A plant of the genus Helianthus in the daisy family, especially (in gardening) a sunflower.
    More example sentences
    • Tuck summer bloomers like purple verbena, yellow daisylike helianthus, purple coneflower, and coreopsis behind it.
    • The giant helianthus grown mostly for show here, is grown on the continent as a commercial crop.
    • I just did a little arrangement of nasturtiums, marigolds, and some helianthus, as bright as I could make it.

Origin

modern Latin, from Greek hēlios 'sun' + anthos 'flower'.

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