Dithyrea californica explained

Dithyrea californica (spectacle pod,^[1] California spectacle pod, California shield pod) is an annual plant in the family Brassicaceae found in deserts of the Southwestern United States.^[2]

Notes and References

1. Mojave Desert Wildflowers, Pam MacKay, 2nd ed., 2013,
2. Sonoran Desert Wildflowers, Richard Spellenberg, 2nd ed., 2012,