It sure reminds me of the native Violet Wood Sorrel (Oxalis violacea) that's found in many parts of the U.S. https://uswildflowers.com/deta... We had a lot of it in our yard when we lived in Daytona Beach and I've since found a patch sprouting in one of my containers that I brought when we moved here to Sebastian last year.
~ I'm an old gal who still loves playing in the dirt!
~ Playing in the dirt is my therapy ... and I'm in therapy a lot!