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This article is about the plant. For the gothic metal band, see Tristania (band).
Tristania neriifolia maleny.jpg
Tristania neriifolia cultivated at Maleny, Queensland
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Tristania
Binomial name
Tristania neriifolia
(Sieber ex Sims) R.Br.
  • Melaleuca neriifolia Sieber ex Sims
  • Melaleuca salicifolia Andrews
  • Tristania persicifolia A.Cunn.
  • Tristania salicina A.Cunn.

Tristania is a monotypic genus of flowering plants native to New South Wales, Australia, closely related to Callistemon. 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 known commonly as the water gum.[2]

It is a small tree, with dense branching. The leaves are evergreen, opposite, simple, lanceolate, 5–9 cm long and 1 cm broad. The flowers are produced in dense clusters of 3–15 together; each flower is 1–1.5 cm diameter, with five small yellow petals and numerous conspicuous stamens.