Basionym Symphyotrichum frondosum (formerly Aster frondosus) is a species of flowering plant in the family Asteraceae native to western North America.

Commonly known as short-rayed alkali aster,[4] it is an annual or perennial herbaceous plant that may reach 140 centimeters (55 inches) tall.

Symphyotrichum frondosum is an annual or occasionally perennial herbaceous, flowering plant growing a leaning or erect stem to a maximum height of 5–140 centimeters (2–55 inches).

The leaves are a few centimeters long and oval in shape with rounded tips.

Symphyotrichum frondosum grows in wet habitats such as marshes and meadows, especially in alkaline or saline conditions.