Are Pachycymbium and Physostegia both a genus of plants?
Pachycymbium Pachycymbium is a genus of plants in the Apocynaceae, first described in 1978. It is native to Africa and the Arabian Peninsula.
Frankia Frankia is a genus of nitrogen-fixing, filamentous bacteria that live in symbiosis with actinorhizal plants, similar to the "Rhizobium" bacteria found in the root nodules of legumes in the Fabaceae family. Bacteria of this genus also form root nodules.