14 March 1994.
Tamaulipas, Mexico
Locality: Near Palmillas along crushed gravel road.
Coordinates: 23.4397, -99.6222
(Map it)
Elevation: 2420m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Dry rocky region, cactus, agave, and Pinus
Number of plants sampled: 3
Comment: Upright shrub 10-12' tall and 4-6' wide. D.B.H. 3". Bright yellow flowers Oct.-Dec. more open than Mahonia gracillis.
Collector(s):