Variable prostrate or erect shrub to about 0.5 m tall. Leaves linear to narrowly ovate, to 4 cm long, 0.5 cm wide, rigid, 3-5-veined below, stalkless. Flowers with corolla white, pink or lilac; more or less year round, mainly spring and early summer.
This variable species is represented in horticulture by a range of forms and flower colours, notably a prostrate, white-flowered form listed as H. 'Alba'.
Source: (2002). Lamiaceae. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.