- a plant, Euphorbia (Poinsettia) pulcherrima, of the spurge family, native to Mexico and Central America, having variously lobed leaves and brilliant scarlet, pink, or white petallike bracts.
- a euphorbiaceous shrub, Euphorbia (or Poinsettia) pulcherrima, of Mexico and Central America, widely cultivated for its showy scarlet bracts, which resemble petals
