Mexico, Sonora, Nacozari de García, WNW of Mina el Tigre, 30.4 km (by air) WNW of Bavispe, 49.7 km (by air) ENE of Nacozari de García, Sierra el Tigre.
30.585833 -109.233611
30° 35' 09" N 109° 14' 01" W
1511 meters
1511 m elev.
Oak woodlan/desert grassland.
Solitary herbaceous perennial in shade of mesquite; flowers yellow.