Definition of Christmas bush in English:

Christmas bush

noun

  • 1A rapidly growing tropical American shrub, Chromolaena odorata (family Asteraceae), having aromatic foliage and panicles of white tubular flowers (also called Jack-in-the-bush).

  • 2Any of various unrelated shrubs native to Australia and New Zealand typically used for decoration at Christmas; especially Ceratopetalum gummiferum (family Cunoniaceae), which has small white flowers with enlarged reddish-pink sepals.

  • 3A leguminous shrub native to South America and the West Indies, Senna bicapsularis, having golden-yellow flowers (also called money bush).

Origin

Mid 18th century; earliest use found in Griffith Hughes (1707–1750).