Thankfully, you still have a fully human frame, however you are now closer to plants than to animals. Your skin is bark, botanical epidermis or a mix of both, and you have leaves and flowers rather than hair, growing on your scalp and perhaps in other spots. Your flowers may produce fruits.
You are tougher than before, and you can photosynthesize through your epidermis and leaves, taking care of a part of any of your energy needs. Additionally, your body constantly if slowly regenerates all over, allowing lost limbs to be regained, or even your heart, which is no longer vital; however, the more it is damaged, the more sluggish you will be. Finally, you also have a Thinker 0 power allowing you to understand the needs of plants, including your own.