Callistemon pallidus, also known as Lemon Bottlebrush, 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...

 in the family Myrtaceae

Myrtaceae

The Myrtaceae or Myrtle family are a family of dicotyledon plants, placed within the order Myrtales. Myrtle, clove, guava, feijoa, allspice, and eucalyptus belong here. All species are woody, with essential oils, and flower parts in multiples of four or five...

. It is native to the states of Queensland

Queensland

Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...

, New South Wales

New South Wales

New South Wales is a state of :Australia, located in the east of the country. It is bordered by Queensland, Victoria and South Australia to the north, south and west respectively. To the east, the state is bordered by the Tasman Sea, which forms part of the Pacific Ocean. New South Wales...

, Victoria

Victoria (Australia)

Victoria is the second most populous state in Australia. Geographically the smallest mainland state, Victoria is bordered by New South Wales, South Australia, and Tasmania on Boundary Islet to the north, west and south respectively....

 and Tasmania

Tasmania

Tasmania is an Australian island and state. It is south of the continent, separated by Bass Strait. The state includes the island of Tasmania—the 26th largest island in the world—and the surrounding islands. The state has a population of 507,626 , of whom almost half reside in the greater Hobart...

 in 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...

.

Lemon Bottlebrush grows up to 5 metres in height and has leaves which are 3 to 7 cm long and 9 to 15 mm in width. The cream to yellow flower spikes, which are 3 to 7 cm in length and about 3.5 cm in diameter, occur between spring and summer.

The species was first formally described in 1816 by French botanist Aimé Bonpland

Aimé Bonpland

Aimé Jacques Alexandre Bonpland was a French explorer and botanist.Bonpland's real name was Goujaud, and he was born in La Rochelle, a coastal city in France. After serving as a surgeon in the French army, and studying under J. N...

 Description des Plantes Rares cultivees a Malmaison et a Navarre as Metrosidersos pallida. In 1828, Swiss botanist Augustin Pyramus de Candolle transferred the species into the genus Callistemon. In his 2006 paper, New Combinations in Melaleuca for Australian Species of Callistemon (Myrtaceae), Lyndley Craven, a research botanist from the Australian National Herbarium, proposed that this species should be renamed as Melaleuca pallida.