hippeastrum

from WordNet (r) 3.0 (2006)

hippeastrum
    n 1: amaryllis of tropical America often cultivated as a
         houseplant for its showy white to red flowers [syn:
         {hippeastrum}, {Hippeastrum puniceum}]

from The Collaborative International Dictionary of English v.0.48

hippeastrum \hippeastrum\ n.
   An amaryllis of tropical America ({Hippeastrum puniceum})
   often cultivated as a houseplant for its showy white to red
   flowers.

   Syn: {Hippeastrum puniceum}.
        [WordNet 1.5] Hipped