It seems that the Wild Punga Fruit heals 20 HP over 1 second, instead of 1 HP over 20 seconds. As the Refined Punga Fruit heals 6 HP over 5 seconds, I'm guessing this is unintended. (Values altered due to my character's (mediocre) Survival skill, but you get the idea) It would otherwise make Wild Punga Fruit overly powerful for burst healing.
Images for comparison:
Wild
Refined
