Sorta what I was thinking too; test-cross w baby-pollen! lol I have no idea which parent in my stable…
Wait. Prairie Princess? Isn’t there some sort of stippling/markings back there? I might have to search this forum for most-likely lines to explore, though I truly could not have predicting this outcome from these parents to begin with.
[edit: found relevant link to PP! stippling in roses - #6 by Peter_Harris ]