Classification
Kingdom: Plantae (2715)
Phylum: Tracheophyta (2630)
Class: Magnoliopsida (2217)
Order: Scrophulariales (81)
Family: Scrophulariaceae (42)(family description)
Genus: Verbascum (9)
Epithet: thapsus L. (2)
Subspecies: giganteum (Willk.) Nyman
giganteum => gigantic, unusually higher than the type
thapsus => from Thapsus in ancient Tunisia