Responses
She doesn't, at least none of them mentioned anything about her looking like that. She was just literally a talking sapling and eventually, she was able to separate her leaves from her roots and was able to go on adventures with sejun and the gang.
Her appearance was described as; One leaf was her head, two leaves were her arms, and the other two leaves served as her legs.

She's cute af but I don't like that they gave flamie a sprite