Fireflowers are only found in the Land of Een, on the banks of the River Wink. The petals of the flower has many healing properties. They can be crushed and combined with water to be made into an ointment, or can be boiled to make a healing tea.
When Kendra Kandlestar's Uncle Griffinskitch was bitten by a Krake, it was only the medicinal power of the fireflower that saved his life. Fireflower tea also played an important part in bringing Winter Woodsong back to life after she was poisoned by a mysterious assassin.