plant large, acaulis, rupicolous. leaves coriaceous, very rigid, with longitudinal nerves, 50–60 cm long, 1.5 cm wide, gradually acuminate, scaled on both faces; sheath ovate, dark coffee, 12 cm long to 6 cm wide. inflorescence: peduncle thick, exceeding the leaves; peduncle bracts imbricate, amplexicaule, sharp pointed, longer than the internodes, rose; fertile part hanging arched, once-branched, brilliant yellow; with 10–12 branches (spikes) strongly complanate, distichous, each branch with up to 28 flowers dispersed along a section of 25–30 cm; floral bracts coriaceous, carinate, very flat, 5 cm long, 2 cm wide, yellow sepals coriaceous, free carinate, the lower middle connate forming a tube, narrow, 4 cm long, 4 mm wide. flowers: petals violet, standing out from the sepals at anthesis, lanceolate, acute, 2.5 cm long, 5 mm wide; forming a tube 2 cm long. stamens included.Edited from : Cact. Suc. Mex.. (protologue) .