It is characterized by white, star-shaped and spreading flowers that emerge after sufficient rainfall.

The leaves are 1 to 6 cm long, more or less shaped, oblanceolate to club-shaped, and when removed from the plant, the point of detachment will turn red with the wound.

The petals spread from the base, and are 5 to 10 mm large, shaped elliptic, with an acute tip, and colored white.

Occurs on open, rocky slopes and on serpentine or clay-dominated soils, typically below an elevation of 450 meters.

Endemic to Santa Rosa Island, where it is only found near Old Ranch Point.

[9] The basal rosette has a high number of leaves for the plant's size, 15 to 30, but sometimes up to 50.

[9][10] This species is of conservation concern, as suitable habitat sites are rapidly declining and face serious threats.

Threats include development, urbanization, vehicles, recreation, grazing by feral herbivores, and exotic plants.

[11] This species is a corm-like succulent that flowers in late spring to early summer.