Big Rainbow is a heart shaped?

[Duh_Vinci]

I'm growing the Big Rainbow for the first time this year, only one plant (fusarium started unfortunately)... But it does have good amount of fruit in it.

What puzzles me, that every one fruit is a distinct heart shape...



Never growing it before, I looked up the photos on the net, and the coloring is correct, splotches are of colors are there and appears to be correct as well. This are the earliest fruits... Next clusters have even more pronounced nipples at the base.

Anyone else experienced this with the Big Rainbow? Seeds were commercial, don't remember the brand name (from Wegman's seed stand)

Regards,
D