Prince's plume, <em>Stanleya pinnata</em>
Prince's plume, Stanleya pinnata, a mustard-family host of Pontia beckerii, in a wash near Cottonwood spring in Joshua Tree NP. Late March, 2009.
Prince's plume, <em>Stanleya pinnata</em>
Flower of Prince's plume, Stanleya pinnata.