S. anomalum has lower leaves with untoothed margins that are heart-shaped at the base.[4] It is a perennial, herbaceous plant that may reach 20 to 120 centimeters (3⁄4 to 4 feet) tall.[3] Its flowers, which are attractive to butterflies,[4] have lavender or blue to purple, seldom white, ray florets and cream or light yellow, then pinkish-purple disk florets.[3]
Distribution and habitat
Symphyotrichum anomalum is native to Arkansas, Illinois, Kansas, Missouri, and Oklahoma. It can be found in dry soils over limestone and in acid soils at elevations between 50 and 500 meters (160 and 1,640 feet).[3]
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