1
: any of several yellow-flowered or predominantly yellow-flowered composite plants: such as
a
: either of two European everlastings (Helichrysum stoechas and H. orientale)
b
: any of various bristly leaved annual herbs of southern Africa that constitute the genus Gorteria and have solitary or corymbose flower heads with ligulate orange-yellow ray flowers marked with brown
c
: a biennial herb (Hymenoxys biennis) of dry uplands of the southwestern U.S. that has yellow flower heads with fertile ray flowers
2
: a shrubby hybrid St.-John's-wort (Hypericum × moserianum) with large golden yellow flowers
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Merriam-Webster unabridged
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