flannel mullein vs Verbascum thapsus

flannel mullein and Verbascum thapsus both are nouns.

Word	Noun	Adjective	Verb	Adverb
flannel mullein	Yes	No	No	No
Verbascum thapsus	Yes	No	No	No

As nouns, flannel mullein and Verbascum thapsus are synonyms defined as:

flannel mullein and Verbascum thapsus: tall-stalked very woolly mullein with densely packed yellow flowers; ancient Greeks and Romans dipped the stalks in tallow for funeral torches

Other synonyms of flannel mullein include Aaron's rod, common mullein, great mullein, torch, woolly mullein.

flannel mullein (noun)	Verbascum thapsus (noun)
tall-stalked very woolly mullein with densely packed yellow flowers; ancient Greeks and Romans dipped the stalks in tallow for funeral torches	tall-stalked very woolly mullein with densely packed yellow flowers; ancient Greeks and Romans dipped the stalks in tallow for funeral torches