Family: Lamiaceae
Form: Upright herbaceous perennial reaching 3 to 4 feet
Leaves: Simple, opposite, ovate, dark green, serrate
Stem/Bark:
Flower: Bilabiate flowers borne in terminal spikes, bluish-purple petals with black sepals, produced on determinate spikes
Fruit: Nonshowy, schizocarp
Comments: Other S. guaranitica cultivars include 'Argentina Skies' with sky blue flowers and 'Blue Enigma' with fragrant deep blue flowers and bright green calyces