A perennial species, Mentha alaica grows to a height of 1 metre (3 ft 3 in), and propagates via creeping rhizomes.

[1] It produces large oblong-lanceate leaves up to 10 centimetres (4 in) long.

[2] The species was recorded by Russian botanist Antonina Borissova in 1954.

[8] As an ingredient within this tradition, it is believed to "dispel pathogenic heat and wind.

"[9] Under the common name Hortelã, M. alaica was reported used as an herbal medicine in Brazil to treat nausea, as well as digestive and kidney problems.