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.]
S America
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.
Salvia guaranitica 'Argentine Skies'
Flowers sky blue.
Salvia guaranitica 'Blue Enigma'
Shrub to well over 1m tall, leaves hairless above, calyx green.
There is some doubt about the true identity of this cultivar.