Callistemon pinifolius (Pine-leaved 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 state of 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...

 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...

.

It grows up to 1 metre in height. The leaves

Leaf

A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

 are 4 to 8 cm long and 0.5 to 1.5 mm wide. These are terete or channeled and have sharply-pointed tips. The flower spikes are yellowish green or red with slightly darker anthers.

The species was first formally described by botanist Johann Christoph Wendland

Johann Christoph Wendland

Johann Christoph Wendland was a German botanist and gardener who was a native of Petit-Landau, Alsace. His son- Heinrich Ludolph Wendland and his grandson- Hermann Wendland were also gardeners and botanists.As a young man he received an education in horticulture at the nursery of Karlsruhe Palace...

 in 1805 as Metrosideros pinifolia. The species was transferred to the genus Callistemon by Robert Sweet

Robert Sweet (botanist)

Robert Sweet was an English botanist, horticulturist and ornithologist.Born at Cockington near Torquay, Devonshire, England in 1783, Sweet worked as a gardener from the age of sixteen, and became foreman or partner in a series of nurseries. He was associated with nurseries at Stockwell, Fulham...

in 1826.