This is a perennial herb producing a tuft of erect stems 20 to 40 centimeters tall.
The leaves are needlelike, a few centimeters long and sharp or blunt at the tip.
The inflorescence is an open cyme of white flowers each with five petals.
The fruit is a toothed capsule containing several small reddish to black seeds.
kuschei, is limited to about 130 individuals in the San Gabriel Mountains of eastern Los Angeles County, California.