Somehow, the shape-shifter made Sarah change shape, because she was no longer a young somewhat attractive thin blond woman anymore. Instead, she was a big humanoid flower. Where her arms used to be now two branches were and her thin green legs ended with roots. All her hair were gone, since now top of her head was giant blooming flower, the rest of her head and face were unchanged.
And she felt thirsty, terribly thirsty.