Low-growing perennial , to 0.4 m tall, with deep, creeping roots . Alkali sida is a widespread native of the Western U.S. and is usually a desirable component of natural communities.
Plants typically form colonies, especially in disturbed places.
Extensive colonies can be troublesome in agronomic crops, orchards, and pastures. However, animals usually avoid grazing it. Cotyledons ovate to heart-shaped. 1.5- 4.5 cm wide, typically asymmetric with oblique leaf bases , often appear corrugated. Surfaces, especially lower, covered with minute, whitish star-shaped hairs.