verbascum_thapsus
1. [ noun ] (botany) tall-stalked very woolly mullein with densely packed yellow flowers; ancient Greeks and Romans dipped the stalks in tallow for funeral torches
Synonyms: great_mullein Aaron's_rod flannel_mullein woolly_mullein torch common_mullein
Related terms: mullein
Similar spelling:   Verbascum_lychnitis
  Verbascum_blattaria