It is a plant of serpentine soils in chaparral habitat.

Many rare species are localized to serpentine soils and bedrock.

It favors hard soils with rock and clay, including serpentine soil.

It has a weak affinity for serpentine soils, growing from sea-level to 5000'.

There is considerable biodiversity along the trail due to the variation in habitat and the presence of serpentine soils.

The plant is known only from serpentine soils.

It is limited to serpentine soils in chaparral and forest habitat.

On serpentine soils, mixed evergreen forests are made up of:

Approximately 20% of the state's rare and endemic plants grow in serpentine soils.

It is a plant of serpentine soils in chaparral and woodland ecosystems.