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Revista mexicana de biodiversidad
On-line version ISSN 2007-8706Print version ISSN 1870-3453
Abstract
ARIAS, Salvador and SANCHEZ-MARTINEZ, Emiliano. A new species of Strombocactus (Cactaceae) from Moctezuma River, Querétaro, Mexico. Rev. Mex. Biodiv. [online]. 2010, vol.81, n.3, pp.619-624. ISSN 2007-8706.
Strombocactus corregidorae S. Arias et E. Sanchez, from the Infiernillo Canyon, in the Moctezuma River, at the border between the Mexican states of Querétaro and Hidalgo, is described and illustrated. It differs from S. disciformis by its massive body, larger, strong, thick, persistent, black-gray spines, yellow flower, seeds with flat periclinal wall cells, finely reticulate micro-relief, and hilum-micropylar region not covered by a strophiole. An identification key to Strombocactus species, based on stem, flower, and seed characters is included.
Keywords : Strombocactus corregidorae; Infiernillo's Canyon; taxonomy.