flame tree (Noun) — A terrestrial evergreen shrub or small tree of western Australia having brilliant yellow-orange flowers; parasitic on roots of grasses.
flame tree (Noun) — Showy tropical tree or shrub native to Madagascar; widely planted in tropical regions for its immense racemes of scarlet and orange flowers; sometimes placed in genus Poinciana.
flame tree (Noun) — North Australian tree having white flowers and broad leaves.
flame tree (Noun) — South Australian tree having panicles of brilliant scarlet flowers.
flame tree (Noun) — Tropical American thorny shrub or small tree; fragrant yellow flowers used in making perfumery.