Unresolved name

Unresolved name: Plants » Ferns » Magnoliopsida » "An Order: Mints, Vervains, Snapdragons, Etc." » Bignonias » Catalpa » Catalpa erubescens «

Catalpa × erubescens f. purpurea (Wawra & Abel) Paclt

Catalpa erubescens purpurea is a form of in the family bignonias.