( Trichostema dichotomum ), also commonly known as blue curls , is a small, aromatic annual plant native to eastern North America. While its common name suggests a close relation to true pennyroyal ( Mentha pulegium ), it is actually a distinct genus within the mint family ( Lamiaceae ) that shares a similar "pennyroyal-like" scent. Key Characteristics and Appearance
Bastard pennyroyal is most easily identified by its unique flowers and growth habit: bastard pennyroyal
This plant is a specialist for harsh, well-drained environments: Trichostema dichotomum (Bastard pennyroyal) ( Trichostema dichotomum ), also commonly known as