Verbascum delphicum subsp. delphicum var. filictorum Zografidis: Habit. A sterile stem is discernible next to the flowering stem.

 
 
  Part of: Zografidis A (2016) Two new infraspecific taxa of Verbascum delphicum (Scrophulariaceae, Scrophularieae) from mainland Greece and the island of Evvia. PhytoKeys 74: 107-122. https://doi.org/10.3897/phytokeys.74.10381