Are Pachycymbium and Physostegia both a genus of plants?
Pachycymbium: Pachycymbium is a genus of plants in the Apocynaceae, first described in 1978. Physostegia: Physostegia, the lionshearts, is a genus of flowering plants in the family Lamiaceae, native to North America (United States, Canada, northern Mexico).
yes