Look up Alternanthera reineckii or Red Temple plant, see if that looks close to what you have.
Non Aquatic plant
Hemigraphis repanda AKA Dragon Flame
It will die in your tank
I win again!!!
Im never wrong i dare you to search up Hemigraphis repanda.
Hemigraphis repanda
http://www.plantedtank.net/forums/plants/37693-help-id-new-plant.html