! M. Nee, 1993 "Syn. S. madrense Fern. Many Sanders et al. collections from Rancho Jabali may be S. torvum Sw."
A. C. Sanders
10833
1991-03-21
21 Mar 1991
Mexico, Jalisco, Mpio. de Zapotitlan. Rancho El Jabali, 22 km (airline) NNW of Colima in the SW foothills of the Volcan de Colima, the Colima/Jalisco line cuts through the ranch. Ca. 2-2.3 km below La Becerrera along Arroyo de Lumbre.