Corydalis (Corydalis yanhusuo): TCM plant for pain relief and sedation, traditional uses, preparation, recipes, and pregnancy contraindications.

Eschscholzia californica, the California poppy: taxonomy, morphology, habitat, cultivation, phenology, phytochemistry and conservation in one full profile.

Sanguinaria canadensis, or bloodroot, is a spring ephemeral of eastern North American woodland, named for the red latex of its rhizome. Full botanical profile.