It’s in the mint family and is native to Africa. Latin names are Coleus caninus or Plectranthus caninus
I don’t know anything about it. I’d be very careful planting a mint you didn’t know really well and want really badly as it will likely spread a lot. Maybe put it in a pot in your house.
Don't use herbs or combine herbs with medications or use them during lactation or pregnancy without talking with your healthcare provider.