Appearance
It is a perennial subshrub growing 4 to 5 ft tall, spreading into a large patch via its spreading roots. The leaves are ovate, 4 cm long and nearly as wide, with a fresh mint green color, and an anise scent when crushed. The inflorescences are up to 25 cm long with flowers in various shades of blue, including an uncommonly true blue. In cold regions, flowering begins in mid summer and continues until frost.The species name originates from the Guaraní people of Brazil, who reportedly used the leaves as a sedative.
References:
Some text fragments are auto parsed from Wikipedia.
