fire bush n 1: evergreen South American shrub having showy trumpet-shaped orange flowers; grown as an ornamental or houseplant [syn: {marmalade bush}, {fire-bush}, {Streptosolen jamesonii}] 2: densely branched Eurasian plant; foliage turns purple-red in autumn [syn: {summer cypress}, {burning bush}, {fire-bush}, {belvedere}, {Bassia scoparia}, {Kochia scoparia}]