Oaks and other trees shade the campus, and rows of flowering crape myrtles provide color. Crape myrtles are chiefly known for their colorful and long-lasting flowers which occur in summer. Crape myrtles are popular because they can grow in different environments. Crape myrtles are best cultivated in warmer southern climates zone 7-9 and prefer full sun. This occurs in flowers of the family Lythraceae, which includes the crape myrtles. There are more than 35 kinds of crape myrtles. Crape myrtle trees enclose a stone walkway to create this garden. Silk crepe/crape, jersey, and other natural fibre textiles are popular fabrics for this design. It is most invasive aphids known from Crape myrtle. Duncan is known for crape myrtle trees, Oklahoma prairie and rich farmland. The family also includes the widely cultivated crape myrtle trees. The provincial tree is the banaba or Queen's Crape Myrtle ("Lagerstroemia speciosa"). The provincial tree as well as the flower is "Lagerstroemia loudonii" (Loudon's crape myrtle). State lawmakers designated the city as Oklahoma's official "Crape Myrtle Capital". Flynn keeps his portrait, draped with crape, next to his desk.