Quote Originally Posted by urbanfarmer
Oh, I stand corrected. I've grown it once many many years ago, you see. It's not a cucurbits at all. It's in the same family as tomatoes. Anyway, if it fell off at the base and not just the petals (with a tiny fruit growing), then it definitely is a sign of stress from something (unless it really didn't get fertilized, which I doubt).
They broke off at the stems, not just the petals. It's possible they just haven't fertilized properly. One of the other peppers is blooming like crazy but so far not been able to coax any peppers out of it.