A new species of Ceratozamia (Zamiaceae) from the Sierra Madre of Chiapas, Mexico, with comments on species relationships.

摘要

The new species Ceratozamia vovidesii from a Pleistocene floristic refuge in southern Mexico is described and illustrated. It show an affinity with C. matudae Lundell and C. mirandae Vovides, Perez-Farrera & Iglesias from Chiapas, but it differs from them in leaf, male and female cones, and trunk morphology..