Tristania neriifolia
Tristania is a monotypic genus of flowering plants native to New South Wales, Australia, closely related to Thaleropia. The genus had a number of species, but some have been reclassified as Lophostemon and Tristaniopsis. The sole species currently in the genus is Tristania neriifolia. It is commonly known as the water gum. The genus is named for the French botanist Jules Marie Claude de Tristan.