Location
美国 Baja Califlornia Norte. 8.2 miles s. of the aduana at Maneadero or 9.3 miles s. of Punta Banda junction on south rim of a quarry on west side of highway.
Habitat
Assoc. plants: Cneoridium dumosum, Keckiella antirrinoides, Malosma lanrina, Romneya trichocalyx and Ptelea trifoliata.