Herbaceous perennial to 2 m tall. Leaves ovate, cordate, long-pointed, to about 9 cm long, margins round-toothed, smelling of aniseed when crushed. Flowers in long clusters with mostly 3-8 flowers in each verticillaster; late summer to early autumn. Corolla to 5 cm long, brilliant clear dark blue with a green and purple calyx. [S. ambigens Briq.]
Dark blue flowers.
Source: (2002). Salvia. 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.