The sap from this tree is dangerous and can irritate the skin or burn the eyes. The freshwater mangrove can be found far inland, beside freshwater lagoons or river systems across the far north of Australia. Although it looks like a mangrove, it's not. It grows to about 5m in height and produces leaves clustered in whorls at ends of branchlets. These leaves are alternate along the central stem or branch. At various times during the year it produces bright red pendulous flowers with numerous stamens. These red blossom drops into the water, covering the water surface . . .