The story
A reference to Numbers 17:8, the Authorized / KJV translation: "And it came to pass, that on the morrow Moses went into the tabernacle of witness; and, behold, the rod of Aaron for the house of Levi was budded, and brought forth buds, and bloomed blossoms, and yielded almonds." (spelling modernized).
First known use, by meaning
- First attested in the mid 18th century. Verbascum thapsus, the great mullein, common mullein, or hag-taper.
Etymology from Wiktionary, CC BY-SA 4.0.