Geographic Range: South Texas in Starr, Webb, and Zapata counties into Mexico in Coahuila, Nuevo León, Durango , Zacatecas, and San Luis Potosí.
Plant Form: Rosette shrub, 3' H X 5' W.
Remarks: Moderately large open rosette with rigidly curved, broad based, lanceolate leaves, glaucous gray to light green, heavy marginal teeth, long terminal spine, and
rough, sandpapery surface. Branching flower stem from 12' to 18' tall with panicles of yellow blossoms. Dies after blooming. Very low water, full sun, excellent drainage, hardy to 10°.
