Mexico, Jalisco, Rancho El Jabalí, 20 km (airline) N of Colima in the SW foothills of the Volcán de Colima. The Colima/Jalisco line cuts through the ranch. Along the Rio Cordoban (= Arroyo Santa Cruz), above Cerro Campanario and the airstrip, La Joya section of the ranch.
19.45 -103.683333
~ 19°27' N, 103° 41' W
coordinates estimated by collector
1420 meters
4650 ft
Natural vegetation humid montane forest, here mostly cleared for pasture and partially regrown as brushy thickets. Arroyo barren; sand, gravel and rock due to flooding.
Fairly common annual in open areas. "Dup. det. by G.C. Tucker"