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helianthus

[hee-lee-an-thuh s] /ˌhi liˈæn θəs/
noun, plural helianthuses.
1.
any composite plant of the genus Helianthus, comprising the sunflowers.
Origin
1770-1780
1770-80; < New Latin; see heli-1, -anthous
Related forms
helianthaceous
[hee-lee-uh n-they-shuh s] /ˌhi li ənˈθeɪ ʃəs/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for helianthaceous

helianthus

/ˌhiːlɪˈænθəs/
noun (pl) -thuses
1.
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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