Pale wall flower is an attractive dry land wildflower. It is a biennial with one to several stout stems from 20-50 cm high. The stems are simple or may be branched. Plants have numerous basal and stem leaves. The leaves are narrowly linear to linear-lanceolate or oblanceolate in shape with entire to sometimes several-toothed margins. Individual leaves range from 4 to 8 cm long and 2-4 mm wide.
The inflorescence is a raceme of numerous light yellow flowers. The four sepals are 8-10 mm long. The four petals are 1.5-2 cm long. The pedicels are mostly ascending. The fruits are siliques which are flattened in cross-section. They measure from 6-10 cm long and up to 3-4 mm wide and are ascending.
Pale wall flower would be a suitable addition for the dry land garden.
Pale wall flower may be found on dry ground. It is often seen in sandy areas or maybe found around sagebrush in the lowlands.
Pale wall flower may be found east of the Cascade Range from central Washington southto Nevada and east to Idaho.