tickle plant

Also called "sensitive plant" but I know it's in the mimosa family, wish I knew the exact name of this one. It likes the shade and apparently can be grown as a houseplant? but the seedling I brought inside died. So did all the others that remained outside, just this one survived.

It definitely responds to touch. Photo above you can see the upper left set of leaves starting to fold shut because I merely bumped the pot; then I touched each leaf group one by one and within a minute or two it was all closed: