Classification
Kingdom: Plantae (2625)
Phylum: Tracheophyta (2528)
Class: Magnoliopsida (2137)
Order: Scrophulariales (94)
Family: Scrophulariaceae (38)(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