''Pholistoma'' is a small genus of flowering plants in the borage family known generally as fiestaflowers. There are three species, all native to a section of western North America between
Oregon
Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...
and
Baja California
Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...
. They are fleshy annual herbs producing angled bristly or prickly stems with several brittle branches. The deeply lobed, bristly leaves are borne on winged petioles that clasp the stem at their bases. The plants bear rotate flowers in shades of blue, purple, or white depending on species.
Species:
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Pholistoma auritum
''Pholistoma auritum'' is a species of flowering plant in the borage family which is known by the common name blue fiestaflower.
Distribution
It is native to California, southern Nevada, and Arizona, where it can be found in many types of habita ...
'' - blue fiestaflower
*''
Pholistoma membranaceum
''Pholistoma membranaceum'' is a species of flowering plant in the borage family which is known by the common name white fiesta flower.
It is native to western North America from central California to Baja California. It can be found in many typ ...