It blooms throughout the year producing inflorescences situated in the terminal and axillary racemes and panicles.

It was reclassified as Racosperma deanei in 1986 by Leslie Pedley then transferred back to genus Acacia in 2001.

[2] The specific epithet honours Henry Deane, who was a railway engineer and amateur botanist, who collected the type specimen.

[1] There are two subspecies: The plant is endemic to eastern Australia through Queensland, New South Wales and Victoria.

It is found in a variety of habitats often as a part of sclerophyll forest communities and growing in a range of different soil types.