Also known as tall blazing star, button snakeroot, rough gayfeather
Button-like, magenta-purple florets cover the upper 18-32"  of the plant, which usually grows 3 to 6 feet tall.
 
Plant Characteristics:
Grows 3-6' tall depending on site conditions.
 
Prefers full sun but can handle a little shade.
 
Prefers average to dry, sandy or rocky soils and adapts to loamy or clay soils that are well drained. Very drought tolerant.
 
Blooms with pink/purple flowers August-October.
 
Wildlife Value:
Host plant for 5 species of Lepidoptera larvae, including wavy-lined emerald, sunflower moth, and 2 specialist moths. Provides nectar for butterflies such as tiger swallowtail, clouded sulphur, orange sulphur, gray hairstreak, aphrodite fritillary, painted lady, red admiral, and wood nymph. 
                                                                                    
Full profile soon!
 
Resources:
Lady Bird Johnson Wildflower Center: https://www.wildflower.org/plants/result.php?id_plant=LIAS
Native Wildlife Federation: https://nativeplantfinder.nwf.org/Plants/1934