Key points are not available for this paper at this time.
The new species Mentha atrolilacina B.J.Conn and D.J.Duval (Lamiaceae) from south-eastern South Australia is here described. This species is morphologically similar to M. diemenica Sprengel, but can be distinguished by its flowers with a dark lilac corolla (cf.
Conn et al. (Thu,) studied this question.