Grevillea acuaria is a shrub which is endemic

Endemic (ecology)

Endemism is the ecological state of being unique to a defined geographic location, such as an island, nation or other defined zone, or habitat type; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, all species of lemur are endemic to the...

 to the south 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...

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It grows to between 0.3 and 1.5 metres high with linear leaves which are 10 to 20 mm long and 0.5 to 2 mm wide. Red flowers appear between May and October in its native range.

The species was first formally described by botanist English botanist George Bentham

George Bentham

George Bentham CMG FRS was an English botanist, characterized by Duane Isely as "the premier systematic botanist of the nineteenth century".- Formative years :...

 in 1870 in Flora Australiensis

Flora Australiensis

Flora Australiensis: a description of the plants of the Australian Territory, more commonly referred to as Flora Australiensis, and also known by its standard abbreviation Fl. Austral., is a seven-volume flora of Australia published between 1863 and 1878 by George Bentham, with the assistance of...

, based on plant material collected by James Drummond

James Drummond

James Drummond may refer to:*James Drummond, 1st Baron Maderty*James Drummond , Bishop of Brechin*James Drummond , Scottish-born botanist and naturalist, early settler in Western Australia....

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It occurs among low to medium-sized trees in a variety of soils.