Sarcopteryx is a genus of plants in the soapberry

Sapindus

Sapindus is a genus of about five to twelve species of shrubs and small trees in the Lychee family, Sapindaceae, native to warm temperate to tropical regions in both the Old World and New World. The genus includes both deciduous and evergreen species. Members of the genus are commonly known as...

 family, Sapindaceae

Sapindaceae

Sapindaceae, also known as the soapberry family, is a family of flowering plants in the order Sapindales. There are about 140-150 genera with 1400-2000 species, including maple, horse chestnut and lychee....

. They occur in Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

, New Guinea

New Guinea

New Guinea is the world's second largest island, after Greenland, covering a land area of 786,000 km2. Located in the southwest Pacific Ocean, it lies geographically to the east of the Malay Archipelago, with which it is sometimes included as part of a greater Indo-Australian Archipelago...

 and the Moluccas.
They are trees with saponin

Saponin

Saponins are a class of chemical compounds, one of many secondary metabolites found in natural sources, with saponins found in particular abundance in various plant species...

 in the bark. Leaves and twigs hairy. Plants have polygamous flowers.

The generic name Sarcopteryx translates to "fleshy wing", as the fruit can be angled, thick or wing shaped. The Greek sarco means fleshy, and pteron is "a wing".

Species

• Sarcopteryx acuminata
• Sarcopteryx brachyphylla
• Sarcopteryx coriacea
• Sarcopteryx crispata
• Sarcopteryx holconeura
• Sarcopteryx martyana
• Sarcopteryx montana
• Sarcopteryx reticulata
• Sarcopteryx rigida
• Sarcopteryx squamosa
• Sarcopteryx stipata
  Sarcopteryx stipata
  Sarcopteryx stipata, known as the Steelwood is a rainforest tree of eastern Australia. Occurring from the Bulga Plateau and Comboyne Plateau north west of Taree, New South Wales. As far north as Fraser Island off the coast of south eastern Queensland. The habitat is sub tropical rainforest. Though...
  
  (F.Muell.) Radlk.- Steelwood tree, eastern Australia
  Australia
  Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
  
  ,