Foil116v -An Ancient Recipe (updated)

[BessAgritianin]

How is that supposed to work?
On the one hand, you write in your essay.
"After long and deep investigations I found out that this is an exotic tropical plant, called today by south- Americans -“annatto” (Bixa orellana) in Latin." 
According to Wiki, it only occurs in South America.

Then you write ...
You should consider also that it is 14-th century. You cannot think it as if today.

If you think of the C-14 test, then one excludes the other.
How do you explain that?

How do you explain the other exotic plants in the script? Do you have explanation?
And I am stating that this plant is found today only in south America, but then? Do You know then where was it found also?
Enjoy