Cool, it's a polyploid. It's weird that it turned into one. I had a polyploid once, but it started polyploid from seed, then one node continued the polyploidy while the rest reverted back to normal diploid growth. Polyploids in cannabis are said to be hermie prone, and often weak plants, mine was female and did alright, but it was kinda the runt of the litter size-wise. Some strains I have seen on seed banks are being bred out for polyploidy, weird.