heliconia UK /ˌhɛlɪˈkəʊ.ni.ə/US /ˌhɛlɪˈkoʊ.ni.ə/ noun1 •Any of the genus Heliconia of flowering plants.Royal palms flank a long rectangular pool, a great fallen tree forms a bridge across the water, and heliconias bloom among the elephant ears and banana shrubs. — 2008 formsheliconias