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[hee-lee-an-thuh s] /ˌhi liˈæn θəs/
noun, plural helianthuses.
any composite plant of the genus Helianthus, comprising the sunflowers.
Origin of helianthus
From New Latin, dating back to 1770-80; See origin at heli-1, -anthous
Related forms
[hee-lee-uh n-they-shuh s] /ˌhi li ənˈθeɪ ʃəs/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for helianthus
Historical Examples
  • There are many kinds of helianthus, natives of the New World.

  • The eggs are laid in clusters upon the leaves of helianthus.

    The Butterfly Book William Jacob Holland
  • The Sunflower, helianthus, is supposed to emit gases that destroy miasma.

    Cultus Arborum Anonymous
  • The tall stalks of the helianthus bend and rise in long undulations, like billows on a golden sea.

    The Scalp Hunters Mayne Reid
  • There was about an acre of clear ground, covered with grass and flowers, among which helianthus and blue lupines were conspicuous.

    The Boy Hunters Captain Mayne Reid
  • This last is a species of the helianthus, or sunflower genus of the Syngenesia frustranea class of plants.

    Gryll Grange Thomas Love Peacock
  • The Romans saw in the flower of the helianthus a resemblance to a Lions mouth.

  • This species is the western form of the common sunflower, helianthus annuus.

    Flowers of Mountain and Plain Edith S. Clements
  • So we never met, though she wrote me much about herself and about "helianthus," which was printed after her death.

    Alone Norman Douglas
  • Yonder is golden yellow, where the helianthus turns her dial-like face to the sun.

    The Scalp Hunters Mayne Reid
British Dictionary definitions for helianthus


noun (pl) -thuses
any plant of the genus Helianthus, such as the sunflower and Jerusalem artichoke, typically having large yellow daisy-like flowers with yellow, brown, or purple centres: family Asteraceae (composites)
Word Origin
C18: New Latin, from Greek hēlios sun + anthos flower
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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