I'll dig it up and try to get all the roots just in case. Found out this morning, my neighbor has some growing in his pasture. I'm going to start riding his pasture this weekend and pulling every one I see. Probably to late as cows are known to spread the seed.
I think I figured this out for myself. Looks like tropical soda apple. An invasive plant in Florida and Alabama. I'll be getting rid of this thing before it has time to set fruit.
I'm getting ready to pick some turnips. About another week. I found something growing in the edge of the garden I've never seen before. ID would be great.
Purple tops.
Small patch of Japanese turnips, collards, kale, radish and rutabaga.
I'm looking forward to a good frost to kill all that...