Considered the most beautiful tree available, with exceptionally long-blooming, flamboyant, deep purple, orchid-shaped flowers that have a touch of white. The sterile flowers produce no seedpods. Develops as a tree with a rounded crown in warmer winter regions, more shrub-like in cooler winter regions. Blooms in early spring.  Semi-evergreen. USDA Zone9-11. Medium light full sun. Water regularly to maintain evenly moist soil.