 The flowers are pale green or yellow (rarely white), with an orange band on the tepals; they yield large quantities of nectar.The tulip tree is the state tree of Indiana, Kentucky, and Tennessee.The tulip tree is one of the largest of the native trees of the eastern United States, known in an extraordinary case to reach the height of 191.8 feet (58.49 meters) with the next tallest known specimens in the 170-177' range.