-ˈan(t)thəs noun
( plural polyanthuses -n(t)thəsə̇z ; or polyan·thi -nˌthī)
Etymology: New Latin, from Greek polyanthos blooming
1. : any of various florists' primroses formerly supposed to have been derived from a species primula ( Primula elatior ) but now usually considered a complex hybrid ( P. polyantha ) prob. derived from three primulas ( P. veris, P. elatior, and P. vulgaris )
2. or polyanthus narcissus : a narcissus ( Narcissus tazetta ) having small umbeled white or yellow flowers with a spreading perianth and shallow crown and cultivated in several varieties