Boechera platysperma

Boechera platysperma, the pioneer rockcress or broad-seeded rock-cress, is a perennial plant in the family Brassicaceae found in western United States mountains.

It is less than 12 in tall.

Habitat and range
It can be found on dry, rocky flats and slopes, from 4000 to 12000 ft, in mountain ranges including the United States Sierra Nevada range, California's North Coast range, Cascade Range, and ranges in the Great Basin.

Leaves and stems
Leaves are entire.

Inflorescence and fruit
Flowers are 4-petaled and spoon shaped. Seed pods are flat.