Myrtaceae, the myrtle family, is a family of dicotyledonous plants placed within the order Myrtales. Myrtle, pōhutukawa, bay rum tree, clove, guava, acca (feijoa), allspice, and eucalyptus are some notable members of this group. All species are woody, contain essential oils, and have flower parts in multiples of four or five. The leaves are evergreen, alternate to mostly opposite, simple, and usually entire. The flowers have a base number of five petals, though in several genera, the petals are minute or absent. The stamens are usually very conspicuous, brightly coloured, and numerous.
Fontainea is a genus constituting part of the plant family Euphorbiaceae. The nine currently known species grow naturally in Queensland (Qld) and New South Wales (NSW) Australia, New Caledonia and Vanuatu, and Papua New Guinea. Some species are commonly named blushwood.
Cordyline is a genus of about 24 species of woody monocotyledonous flowering plants in family Asparagaceae, subfamily Lomandroideae. The subfamily has previously been treated as a separate family Laxmanniaceae, or Lomandraceae. Other authors have placed the genus in the Agavaceae. Cordyline is native to the western Pacific Ocean region, from New Zealand, eastern Australia, southeastern Asia and Polynesia, with one species found in southeastern South America.
Backhousia is a genus of thirteen currently known species of flowering plants in the family Myrtaceae. All the currently known species are endemic to Australia in the rainforests and seasonally dry forests of Queensland, New South Wales and Western Australia.
Lophostemon is a genus of 4 species of evergreen tree in the myrtle family Myrtaceae. All four species are native to Australia, with one extending to New Guinea. The genus was first described in 1830 but not widely recognized until the 1980s. All 4 species were previously included in the related genus Tristania.
Syncarpia is a small group of trees in the myrtle family (Myrtaceae) described as a genus in 1839. They are native to Queensland and New South Wales in Australia.
Tristaniopsis is a group of shrub and tree in the myrtle family Myrtaceae described as a genus in 1863. They have a wide distribution in Southeast Asia, New Guinea, New Caledonia and Australia.
Pilidiostigma is a genus of shrubs and small trees in the myrtle family Myrtaceae. All species occur in Australia and one, P. papuanum, also occurs in Papua New Guinea. They are not generally known to horticulture. The species P. sessile is rare.
Archirhodomyrtus is a genus of flowering plants in the myrtle family, Myrtaceae, describe as a genus in 1941. There are five known species, four native to New Caledonia and one native to Australia.
Linospadix is a genus of flowering plant in the family Arecaceae. It is native to New Guinea and Australia.
Ptychosperma is a genus of flowering plant in the family Arecaceae. Most are native to Australia and/or New Guinea, with a few in the Solomon Islands and in Maluku Province of eastern Indonesia. Some have been cultivated abroad as house or garden plants, and reportedly naturalized in certain regions.
Xanthostemon is a genus of plants in the myrtle family Myrtaceae, first described in 1857 by the German–born Australian botanist Ferdinand von Mueller. The genus is distributed across Malesia, Papuasia and northern Australia. The genera Pleurocalyptus and Purpureostemon from New Caledonia are morphologically close to Xanthostemon.
Dipodium, commonly known as hyacinth orchids, is a genus of about forty species of orchids native to tropical, subtropical and temperate regions of south-east Asia, New Guinea, the Pacific Islands and Australia. It includes both terrestrial and climbing species, some with leaves and some leafless, but all with large, often colourful flowers on tall flowering stems. It is the only genus of its alliance, Dipodium.
Parsonsia is a genus of woody vines in the family Apocynaceae. Species occur throughout Indomalaya, Australasia and Melanesia.
Rhodomyrtus is a group of shrubs and trees in the family Myrtaceae described as a genus in 1841. The genus is native to southern China, the Indian Subcontinent, Southeast Asia, Melanesia, and Australia.
Gossia is a genus of rainforest trees in the myrtle family first described as a genus in 2003. It is native to northeastern Australia as well as several islands of Papuasia and New Caledonia.
Rhodamnia is a group of rainforest trees and shrubs in the myrtle family described as a genus in 1822. They are native to southern China, Southeast Asia, Papuasia, Australia, and New Caledonia.
Myrtastrum is a genus of plants in the Myrtaceae first described as a genus in 1941. It contains only one known species, Myrtastrum rufopunctatum, endemic to New Caledonia. It is a phylogenetically isolated genus within the tribe Myrteae.
Myrtella is a genus of plants in the Myrtaceae described as a genus in 1877. It is native to New Guinea and to some islands of the western Pacific.
- Myrtella beccariiF.Muell. - New Guinea, Solomon Islands
- Myrtella bennigseniana(Volkens) Diels - New Guinea, Caroline Islands, Mariana Islands
Ochrosperma is a group of shrubs and small trees in the myrtle family Myrtaceae described as a genus in 1987. The genus is endemic to Australia.
- Ochrosperma adpressumA.R.Bean - Queensland
- Ochrosperma citriodorum(Penfold & J.L.Willis) Trudgen - New South Wales
- Ochrosperma lineare(C.T.White) Trudgen - Queensland, New South Wales
- Ochrosperma obovatumA.R.Bean - Queensland
- Ochrosperma oligomerum(Radlk.) A.R.Bean - New South Wales
- Ochrosperma sulcatumA.R.Bean - Northern Territory
