United States, California, Kern, Sierra Nevada; Southern Sierra Nevada region: Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley.
35.418611 -118.258056
35§ 25m 7s N; 118§ 15m 29s W
1417 meters (4648ft)
Alluvial flats and moderate to steep slopes, granitic substrate with large boulder outcrops, loose, decomposed granite soils. Vegetation recently burned (2006 or 2007), formerly dominated by scrub of Artemisia tridentata, Chryosothamnus nauseosus, Yucca brevifolia on flats, drier slopes, scrubby woodland of Pinus sabiniana, Pinus monophylla, Quercus wislizeni, Quercus chrysolepis, Fremontodendron californicum, Ribes spp., Cercocarpus betuloides, Ceanothus vestitus, Rhamnus californica on steeper slopes and more mesic exposures. Rich and diverse display of annuals and perennial herbs on burned area and in adjacent areas of unburned vegetation. Annual, flowers yellow, bracts prominent with large white patch in center. Locally common on slope.
Label says: Herbarium of Rancho Santa Ana Botanic Garden. Entered into RSA Database (16102RSA).