Foil116v -An Ancient Recipe (updated)

[Ruby Novacna]

You should consider also that it is 14-th century. ...
If you think of the C-14 test, then one excludes the other.
How do you explain that?

America was already discovered at the end of the 15th century and the proposed plant arrived in Europe when, not before the 16th century?
Choosing an American plant for the first attempt at translation presents several pitfalls, in my opinion.