Hemigenia purpurea, with the common name of Narrow-leaved Hemigenia is a small plant growing in the Sydney

Sydney

Sydney is the most populous city in Australia and the state capital of New South Wales. Sydney is located on Australia's south-east coast of the Tasman Sea. As of June 2010, the greater metropolitan area had an approximate population of 4.6 million people...

  and Nowra districts of eastern 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...

. Often found in poor soils in heathland with a relatively high rainfall. By the coast or in the Blue Mountains.

A small shrub up to 2 metres tall. Leaves in whorls of three. Leaves hairless, narrow, 1 to 1.6 cm long, 1 mm wide, wedged shape with an acute angle at the base of the leaf. Narrow and pointed at the end of the leaf. Leaf stem 2 to 4 mm long. Attractive blue or violet flowers appear mostly from August to April.

Hemigenia purpurea appears similar to certain plants of the Prostanthera

Prostanthera

Prostanthera, commonly known as Mintbush, is a genus of plants of the family Lamiaceae. There are about 90 species within the genus, all of which are endemic to Australia. The word is derived from the Greek, which refers to an appendage...

genus, however it is distinguished by the thin leaves.