polyanthus

from WordNet (r) 3.0 (2006)

polyanthus
    n 1: florists' primroses; considered a complex hybrid derived
         from oxlip, cowslip, and common primrose [syn:
         {polyanthus}, {Primula polyantha}]

from The Collaborative International Dictionary of English v.0.48

Polyanthus \Pol`y*an"thus\ (p[o^]l`[i^]*[a^]n"th[u^]s), n.; pl.
   {Polyanthuses}. [NL., fr. Gr. poly`anqos rich in flowers;
   poly`s many + 'a`nqos flower.] [Written also {polyanthos}.]
   (Bot.)
   (a) The oxlip. So called because the peduncle bears a
       many-flowered umbel. See {Oxlip}.
   (b) A bulbous flowering plant of the genus {Narcissus}
       ({Narcissus Tazetta}, or {Narcissus polyanthus} of some
       authors). See Illust. of {Narcissus}.
       [1913 Webster]