Queensland Waratah Tree - Alloxylon flammeumAlloxylon flammeum Alloxylon flammeum, commonly known as the Tree Waratah, is a spectacular Australian native tree admired for its bold red orange flowers and lush, glossy foliage. It brings vibrant colour, bird attracting blooms, and an elegant canopy to any garden while remaining surprisingly low maintenance. Why Gardeners Love Alloxylon flammeum Striking waratah like flowers Large red to orange blooms appear in clusters, adding dramatic colour.