A plant of the genus Helianthus in the daisy family, especially (in gardening) a sunflower.
- 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.
Modern Latin, from Greek hēlios 'sun' + anthos 'flower'.
Words that rhyme with helianthusacanthus, agapanthus, clianthus, dianthus, polyanthus
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