[3] It is a member of the serpentine soils flora and grows in chaparral habitat.

[5] This rare plant is an annual herb producing an erect stem up to 30 centimeters tall, branching in the upper part.

The leaves are mostly located around the central part of the stem and near the bases of the upper branches.

The leaves are linear and coated in rough hairs and large resin glands.

[6][7] The plant may be naturally rare, having evolved on its specific ultramafic soil type and never having spread beyond.