Symphyotrichum ascendens (formerly Aster ascendens) is a species of aster known by the common names western aster and long-leaved aster. It is native to western North America from British Columbia to Saskatchewan, the Sierra Nevada in California, to Arizona and New Mexico. It grows in many types of habitat, including disturbed areas.
This is a rhizomatous perennial herb growing a branching, erect stem to heights between 20 and 60 centimeters. Leaves are widely lance-shaped to oblong and pointed, ...