Grevillea pilosa is a low growing 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 the south-west of Western Australia

Western Australia

Western Australia is a state of Australia, occupying the entire western third of the Australian continent. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Indian Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east...

. It grows to between 0.4 and 1 metre in height and produce red or pink flowers between June and December (early winter to early summer) in its native range.

The species was first formally described by botanist Alex George

Alex George

Alexander Segger George is a Western Australian botanist. He is the authority on the plant genera Banksia and Dryandra...

 in 1966 in The Western Australian Naturalist

The Western Australian Naturalist

The Western Australian Naturalist is the journal of the Western Australian Naturalists' Club. It is a peer-reviewed journal that published original research on topics related to the natural history of Western Australia...

.

Currently, there are two recognised subspecies:

• Grevillea pilosa subsp. redacta Olde & Marriott
• Grevillea pilosa A.S.George subsp. pilosa

A former subspecies G. pilosa subsp. dissecta McGill. is currently recognised as a species in its own right, namely Grevillea dissecta (McGill.) Olde & Marriott