It has alternate, deciduous leaves up to 30 cm (12 inches) across and small fragrant, greenish-white flowers borne in large inflorescences. A flowering tree varies in fragrance with weather and time of the day, having a lemony odor with citronella and chocolate tones. A tall, stately specimen grows in the botanical garden in Florence, Italy. Bumble bees and Giant Mason Bees readily visit the flowers in Maryland, U.S. People grow this tree as an ornamental in warm regions of North America. Chinese parasol tree.