[3] It is endemic to California, where it is known from the hills of the Coast Ranges in and around the San Francisco Bay Area.
It is an annual herb producing a thin, usually woolly stem up to about 15 centimeters tall.
The leaves are divided into several narrow, threadlike linear lobes.
The inflorescence is a woolly cluster of narrow, leaflike bracts laced with webby fibers.
The small flowers have yellow throats and white or blue corolla lobes.