n multi-stemmed North American annual having solitary axillary dark golden-yellow flowers resembling those of the foxglove; sometimes placed in genus Gerardia
n sparsely branched North American perennial with terminal racemes of bright yellow flowers resembling those of the foxglove; sometimes placed in genus Gerardia
n slender hairy plant with few leaves and golden-yellow flower heads; sandy desert areas of southeastern California to southwestern Utah and western Arizona and northwestern Mexico