Eucryphia is a small genus of trees and large shrubs native to the south temperate regions of South America and coastal eastern Australia, mainly Tasmania. Sometimes placed in a family of their own, the Eucryphiaceae, more recent classifications place them in the Cunoniaceae. There are seven species, two in South America and five in Australia, and several named hybrids.
Sankowskya is a genus of plants. The sole known species, Sankowskya stipularis, is a tree endemic to one locality in the Wet Tropics rainforests of northeastern Queensland, Australia. The species constitutes part of the plant family Picrodendraceae. Few botanical collections have ever been made of the trees, from a very restricted area of the Wet Tropics rainforests, hence the species has obtained the conservation status of "endangered" in the legislative regulation of the Queensland Government's Nature Conservation Act 1992. Notably, trees grow naturally in the Thylogale Nature Refuge.
Romnalda is a genus of monocotyledonous plants in the family Asparagaceae, subfamily Lomandroideae. As of December 2013 four formally named species are known and accepted by botanical science.
Buckinghamia is a genus of only two known species of trees, belonging to the plant family Proteaceae. They are endemic to the rainforests of the wet tropics region of north eastern Queensland, Australia. The ivory curl flower, B. celsissima, is the well known, popular and widely cultivated species in gardens and parks, in eastern and southern mainland Australia, and additionally as street trees north from about Brisbane. The second species, B. ferruginiflora, was only recently described in 1988.
Atalaya is a genus of eighteen species of trees and shrubs of the plant family Sapindaceae. As of 2013 fourteen species grow naturally in Australia and in neighbouring New Guinea only one endemic species is known to science. Three species are known growing naturally in southern Africa, including two species endemic to South Africa and one species in South Africa, Swaziland and Mozambique.
Lepiderema is a genus of nine species of trees from the family Sapindaceae. As of November 2013 botanists know of seven species growing naturally in Australia and two species in New Guinea. Published botanical science provides a limited knowledge of the full range of diversity in Australia and especially in New Guinea. In New Guinea the two known species have descriptions based each on only a single type specimen collection. Therefore, collection of more specimens and more species is most likely in New Guinea. In Australia they grow in rainforests of the northern half of the east coast side of the Great Dividing Range, from northeastern New South Wales through to northeastern Queensland.
Eucryphia jinksii, the Springbrook leatherwood, is a species of rare rainforest trees found in Queensland and New South Wales, Australia, of the plant family Cunoniaceae.
Eidothea zoexylocarya is a species of tall rainforest trees endemic to north-eastern Queensland, Australia and constituting part of the plant family Proteaceae. In European–Australian science, these trees were only recognised in recent decades, first from the slopes of Mount Bartle Frere, the Queensland mountain which reaches the highest altitude. In 1995, scientific descriptions of the trees, as this genus and type species, were published for the first time by Andrew W. Douglas and Bernie Hyland. The species name refers to the almost identical fossil fruit Xylocaryon lockiiF.Muell., from Ballarat, southern Australia, still extant in this north-eastern Australian species.
Pullea stutzeri, the Hard Alder is a species of rainforest plant in the ancient family Cunoniaceae. It is endemic to the wet tropics rainforests of northeastern Queensland, Australia.
Gymnostoma australianum, also named the Daintree pine or Daintree oak, is a species of small tree which is endemic to a restricted area of the Daintree tropical rainforests region, within the Wet Tropics of north-eastern Queensland, Australia. It is a member of the plant family Casuarinaceae, often named she-oaks, members of which are characterised by drooping equisetoid evergreen foliage, and separate male and female flowers (unisexual). Superficially they look like well known scale–leaved gymnosperm trees species, such as Cupressus in the northern hemisphere and Callitris in the southern hemisphere.
Stockwellia is a genus of a single described species of large Australian trees, constituting part of the plant family Myrtaceae and included in the eucalypts group. The species Stockwellia quadrifida sometimes has the common names of stockwellia or Vic Stockwell's puzzle.
Hollandaea is a genus of four species known to science, of Australian rainforest trees, constituting part of the plant family Proteaceae.
Lasjia is a genus of five species of trees of the family Proteaceae. Three species grow naturally in northeastern Queensland, Australia and two species in Sulawesi, Indonesia. Descriptively they are the tropical or northern macadamia trees group. Lasjia species characteristically branched compound inflorescences differentiate them from the Macadamia species, of Australia, which have characteristically unbranched compound inflorescences and only grow naturally about 1,000 km (620 mi) further to the south, in southern and central eastern Queensland and in northeastern New South Wales.
Helicia lewisensis is a species of rainforest trees, of northeastern Queensland, Australia, from the flowering plant family Proteaceae. It is endemic to the northern upland rainforests of the Wet Tropics region, from about 900 to 1,330 m altitude.
Helicia lamingtoniana, also named Lamington's silky oak, is a species of rainforest trees, of northeastern Queensland, Australia, from the flowering plant family Proteaceae.
Gillbeea is a genus of three species of Australasian rainforest trees from the family Cunoniaceae.
Hollandaea sayeriana, sometimes named Sayer's silky oak, is a small species of Australian rainforest trees in the plant family Proteaceae.
Hollandaea riparia, sometimes named roaring Meg hollandaea, is a species of Australian rainforest tree, in the plant family Proteaceae.
Hollandaea porphyrocarpa is a species of small Australian rainforest tree in the plant family Proteaceae. It is endemic to restricted areas of the rainforests of the Wet Tropics region of northeastern Queensland.
Peripentadenia is a genus of two species of large trees from the family Elaeocarpaceae endemic to the rainforests of northeastern Queensland, Australia. Sometimes they have the common name quandong.
