Harry blinked when he found himself landing on some sort of plant, next to him, Mayumi dusted herself off and scrambled for the far wall, flattening herself against it with a odd, alarmed look on her face.
"Mayumi? Wha- it's just a plant."
She didn't reply. And five minutes later, Harry and Ron found themselves tightly bound while Mayumi letted out a strange, high-pitched whine as she edged away from the wriggling tendrils.
"Just a plant, my ass!"