''Hemigenia purpurea'', with the common name of narrow-leaved hemigenia is a small plant growing in the

Sydney Sydney ( ) is the capital city of the state of New South Wales, and the most populous city in both Australia and Oceania. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about towards the Blue Mountain ...

and Nowra districts of eastern Australia. 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.Waratah Software, Smaller Flora Families of the Lane Cove National Park
/ref> ''Hemigenia purpurea'' appears similar to certain plants of the genus ''

Prostanthera ''Prostanthera'', commonly known as mintbush or mint bush, is a genus of about 100 species of flowering plants in the mint family Lamiaceae, and all are endemic to Australia. Plants are usually shrubs, rarely trees with leaves in oppos ...

''; however, it is distinguished by the thin leaves.

References

purpurea Lamiales of Australia Endemic flora of Australia Flora of New South Wales Plants described in 1810 {{Australia-asterid-stub