Physaria ludoviciana (Nutt.) O'Kane & Al-Shehbaz
Family: Brassicaceae
common foothill bladder-pod, silver bladder-pod
[Lesquerella ludoviciana (Nutt.) S.Watson]
Physaria ludoviciana image
Emmet J. Judziewicz  
Etymology: Lesquerella: from Leo Lesquereaux (1805-1889), American botanist, foremost authority of American fossil botany in latter part of 19th century, educated in Switzerland, brought to US by Louis Agazziz in 1848, produced several important works on American mosses.
Plants: erect to drooping, perennial, 4"-16" tall forb with several stems; taprooted
Leaves: lower leaves narrow, mostly with smooth edges; the few upper leaves stalkless, tapering to the base
Flowers: yellow, 4-parted; inflorescence up to 6" long cluster (raceme) of stalked flowers
Fruits: roundish pod about 1/8" wide
Habitat: dry; cliffsides, prairies
Conservation Status: Threatened