Guioa is a genus of 78 species of tree

Tree

A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...

 in the soapberry 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 have a wide distribution, ranging from Malesia

Malesia

Malesia is a biogeographical region straddling the boundaries of the Indomalaya ecozone and Australasia ecozone, and also a phytogeographical floristic region in the Paleotropical Kingdom.-Floristic province:...

, down to the east coast of 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...

 and out into the Pacific Islands

Pacific Islands

The Pacific Islands comprise 20,000 to 30,000 islands in the Pacific Ocean. The islands are also sometimes collectively called Oceania, although Oceania is sometimes defined as also including Australasia and the Malay Archipelago....

.

They are characterised by having hairy new growth. The Australian species are known to the logging

Logging

Logging is the cutting, skidding, on-site processing, and loading of trees or logs onto trucks.In forestry, the term logging is sometimes used in a narrow sense concerning the logistics of moving wood from the stump to somewhere outside the forest, usually a sawmill or a lumber yard...

 industry as cedars, though they have no direct relationship with true cedars or the Australian members of the Meliaceae

Meliaceae

The Meliaceae, or the Mahogany family, is a flowering plant family of mostly trees and shrubs in the order Sapindales....

 which are known as cedars.

Species include:

• Guioa acutifolia Radlk.
• Guioa comesperma Radlk.
• Guioa coriacea (Radlk.) Radlk.
• Guioa lasioneura Radlk.
• Guioa montana C.T.White
• Guioa sarcopterifructa Welzen
• Guioa semiglauca
  Guioa semiglauca
  Guioa semiglauca known as the Guioa or Wild Quince is a rainforest tree of eastern Australia. It grows from Kioloa near Batemans Bay in southern New South Wales to Eungella National Park in tropical Queensland...
  
  (F.Muell.) Radlk.