[Cited as this species by Barneby, Mem. NYBG 74. 1988.]
C. E. Hughes
1807
1993-11-17 - 1993-02-01
17 Nov 1993
Mexico, Puebla, Coxcatlan, 8 km ENE of Coxcatlan on the E side of the Tehuacan Valley, close to the road running up towards the Sierra Mazateca.
18.28 -97.13
1440 meters
4724 ft
On bare rocky roadside cuttings in an area of degraded, dy deciduous forest on steep slopes above the Tehuacan Valley with Acacia, Lysiloma, Cercdium and Tecoma.