Ceratozamia decumbens (Zamiaceae, Cycadales) is newly described and illustrated. This species, endemic to Veracruz, has affinity with C. morettii Vázquez Torres & Vovides, but differs in leaf morphology and leaflet habit as well as in the microsporangiate and megasporangiate strobili and trunk. Ceratozamia decumbens is considered part of the C. latifolia species complex, which includes C. latifolia Miquel, C. microstrobila Vovides & J. D. Rees, C. huastecorum Avendaño, Vovides & Castillo-Campos, and C. morettii.
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Novon: A Journal for Botanical Nomenclature
Vol. 18 • No. 1
February 2008
Vol. 18 • No. 1
February 2008
Ceratozamia species complex
cycad
floristic refuges
IUCN Red List
Mesoamerica
Pleistocene
Zamiaceae