Mexico, Sonora, Fronteras, 200m NW of Aguaje de la Capilla (30.75001,-109.83111). 24.4 km (by air) WSW of Fronteras, Sierra Buenos Aires, Ajos-Bavispe Reserva Forestal Nacional y Refugio de Fauna Silvestre.
30.75182 -109.83172 +-15m. WGS84
1560 meters
1560 m
Oak woodland.
Rocky soils derived from limestone rocks.
Common on rocky south-facing slope and the ridge above.