01 January 1976.
Jutiapa, Guatemala
Locality: North side of Pan American Highway, 0.2 km east of Puente Colorado (1.6 km east of El Progreso turnoff, or east-southeast of El Progreso).
Coordinates: 14.3500, -89.8333
(Map it)
Elevation: 920m.
Environment description: Region of subtropical dry forest. Sides and top of hot, dry lava cliff formed by highway roadcut.
Number of plants sampled: 21
Collector(s):