In rocky (Kaibab limestone) soil on NE - facing roadcut.
Artemisia, Chrysothamnus, Eriogonum
Plants annual; herbage (including pedicels) hirsute with partially appressed, stellate trichomes; petals pale yellow; styles ca. 1 mm long; fruiting pedicels spreading; fruits strongly flattened parallel to the septum, hirsute - stellate with overlapping trichomes; ovules 1 per locule.