Yavanna was one of the Valar, said to be responsible for all things that grow in the earth, including the Ents. Her name in Quenya means "Giver of Fruits". She was the wife of Aulë the Smith who created the Dwarves and tutored Saruman.
Some might call it a waste, but this flower can also be used in a regular crafting table or the player's inventory to create lime-green dye, alike to other mod flowers.
Black Iris •
Apple Juice •
Berry Juices •