Heart of the Wild (herb)

Heart of the Wild is a reagent used by alchemist, engineers, tailors, and jewelcrafters.

Source
This item can be found from plant-based creatures in a variety of verdant zones, never to be found growing wild. This would seem to indicate that it is the driving organ for "walking plants".

Heart of the Wild as an Ingredient
Heart of the Wild is used in the following recipes:

Alchemy

 * Living Action Potion
 * Major Rejuvenation Potion

Engineering

 * Green Lens

Tailoring

 * Dreamweave Vest
 * Dreamweave Gloves
 * Dreamweave Circlet

Jewelcrafting

 * Truesilver Healing Ring