United States, California, Monterey, Fort Hunter Liggett (Training Area 3), near Upper Milpitas Road, ca. 0.75 air km due E of Mission Creek, ca. 1.75 air km SW of Cosio Knob. UTMs (NAD 27, map estimate): zone 10S, 657700 E, 3992700 N.
390 meters (1279ft)
Moderate slopes. White gravel over clay. Associates: Quercus douglasii, Pinus sabiniana, Adenostoma fasciculatum, Calycadenia villosa. Scattered. Annual. Erect to ascending, to 7 dm tall. Perianth lobes pink with red midveins.