Classification
Kingdom: Plantae (2653)
Phylum: Tracheophyta (2566)
Class: Magnoliopsida (2162)
Order: Scrophulariales (79)
Family: Scrophulariaceae (40)(family description)
Genus: Verbascum (8)
Epithet: thapsus L. (2)
Subspecies: giganteum (Willk.) Nyman
giganteum => gigantic, unusually higher than the type
thapsus => from Thapsus in ancient Tunisia