The portaak leaf, native to Haruun Kal, was a specific kind of foliage. Typically roasted using lammas wood, the portaak leaf was a consumable item. Due to the fact that both the leaf and the wood were only found on Haruun Kal, they were both quite expensive when sold on other planets.
Additionally, the leaf was the origin of portaak amber and served as a food source for the grassers.