Petilil

“The leaves on its head are very bitter. Eating one of these leaves is known to refresh a tired body.”

— Pokémon Black

“Since they prefer moist, nutrient-rich soil, the areas where Petilil live are known to be good for growing plants.”

— Pokémon White

“The leaves on its head grow right back even if they fall out. These bitter leaves refresh those who eat them.”

— Pokémon Black 2