Fccd, THAT sure sounded like a crackpot idea!
and you are absolutely correct!
I looked it up, they look exactly the same, and these are slightly sweet, even though they are apparently not ripe.
Fuyu Persimmon.
I woulda never thunk!
Apparently there are two kinds of persimmon.
The kind I am used to seeing/eating is called Hachiya.
They are every bit astringent/tart as described by all.
Thanks to all!
and to FCCd
rmptr