Westringia longifolia
Westringia longifolia, commonly known as long-leaved westringia, is a flowering plant in the family Lamiaceae and is endemic to southeastern Australia. It is a small shrub, with linear leaves and mostly white flowers. Description
Westringia longifolia is a small shrub that grows to  high with a similar spread. The linear shaped green leaves are arranged in whorls of three,  long,  wide, more or less flat, margins smooth, both surfaces with occasional hairs or smooth, and the petiole  long. The flowers are borne singly in the leaf axils, corolla  long, lobes more or less triangular shaped,  long,  wide, mostly white or occasionally mauve with  spots purple or light brown and silky inside. The green calyx are smooth or with sparse hairs on the outer surface and bracteoles  long. Flowering occurs mostly from July to December

Taxonomy and naming
Westringia longifolia was first formally described in 1810 by Robert Brown and the description was published in Prodromus florae Novae Hollandiae.The specific epithet (longifolia) means "long leaved". Distribution and habitat
Long-leaves westringia grows in gullies, near streams on sandy or loamy soils north of Mittagong, scattered throughout Sydney and the Central Tablelands. References 

longifolia
Flora of New South Wales
Taxa named by Robert Brown (botanist, born 1773)
Plants described in 1810
Lamiales of Australia