Correcting McCoy would be completely arbitrary and so Sulu ignored the doctor, reaching for his phaser even as the thing shakes him to dislodge just such things. He tries to blow a hole through the root holding him up but the moment he gets a shot in, another root grabs at his arm, yanking hard and oh, hey, is that the ground opening up?

Oh, great, it's the ground opening up. Why do these things always have to have so many teeth? "McCoy, get out of here!"