United States, California, Riverside, Santa Ana Mountains: unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway (Corona South 7.5' Q.)
33.845 -117.613611 +-100m.
33° 50' 42" N 117° 36' 49" W
424-436 meters
1390-1430ft.
Ridgeline, bulldozed c. 2006. Chaparral and coastal sage scrub on clay soil
Ceanothus tomentosus, C. crassifolius, Adenostoma fasciculatum, Artemisia californica, Nolina cismontana, etc.
Locally common, geophyte; single leaf, petals yellow with brown midrib.