Good find

Named because it’s black and ear-shaped. This is not the smoking gun.

It's a myth that has been used by antisemites, culminating in use in the Nazi regime to Other the Jews (including an art exhibit and propaganda film). There have been plenty of calls from the Jewish community to get rid of the name.

There's a whole myth thing about the wandering jew that pops up a lot in media....

But "inch plant" is the preferred nomenclature for tradescandia.

I think so. But these are two different species, one is a flower the other is a mushroom