Grevillea caleyi, also known as Caley's Grevillea, is a shrub

Shrub

A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...

 which is endemic to 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...

. It grows up to 4 metres in height and flowers between August and December (mid winter to early summer) in its native range. Flowers have a fawn perianth and maroon or red styles with green tips. It occurs on ridges in a restricted area within the north-eastern suburbs of Sydney

Sydney

Sydney is the most populous city in Australia and the state capital of New South Wales. Sydney is located on Australia's south-east coast of the Tasman Sea. As of June 2010, the greater metropolitan area had an approximate population of 4.6 million people...

 in woodland-heath.

The species was first formally described by botanist Robert Brown

Robert Brown (botanist)

Robert Brown was a Scottish botanist and palaeobotanist who made important contributions to botany largely through his pioneering use of the microscope...

, his description published in Supplementum primum prodromi florae Novae Hollandiae in 1830.