Results 41 to 50 of about 313 (129)

A New Species of Ceratozamia (Zamiaceae) from Veracruz, Mexico

open access: yesNovon, 1998
Ceratozamia morettii is described from a cloud-forest environment in Veracruz, Mex- ico. The main morphological characters are illus- trated, and comments on related species are made. The new species differs from others in the genus by the near prostrate habit, circinate vernation of the leaves, and wide leaflets with translucent ve- nation. This taxon
Mario Vázquez-Torres   +2 more
openaire   +2 more sources

FIGURE 5. Linear discriminant analysis plot that summarizes the total variation among five Ceratozamia species into two axes. Biplots A–I in Ceratozamia rosea (Zamiaceae): A new species from the Northern Mountains of Chiapas, Mexico

open access: yes, 2023
FIGURE 5. Linear discriminant analysis plot that summarizes the total variation among five Ceratozamia species into two axes. Biplots A–I correspond to traits listed in Table 2. Abbreviations: C. becerrae (bec), C. miqueliana (miq), C.
Vovides, Andrew P.   +4 more
core   +1 more source

Biodiversidad de Zamiaceae en México

open access: yesRevista Mexicana de Biodiversidad, 2013
Dentro de los grupos actuales de espermatofitas, plantas con semilla, las cícadas cuentan con el registro fósil más antiguo. A pesar de ello, su estatus como “fósiles vivientes” ha sido puesto en entredicho recientemente con base en resultados de ...
Fernando Nicolalde-Morejon   +5 more
doaj   +1 more source

Volatile profile of perennial leaves of seven cultivated species of Ceratozamia (Cycads)

open access: yes, 2017
Ceratozamia (Zamiaceae) is a genus of New World Cycads, containing more than 20 species distributed in eastern and southern Mexico, with extensions into Central America [1].
L. Calamai   +4 more
core   +2 more sources

Listado florístico del Cerro Quetzal (Polígono III ) de la Reserva de la Biosfera El Triunfo, Chiapas, México

open access: yesBotan‪ical Sciences, 2012
Se realizó un listado florístico para el Cerro Quetzal (Polígono III) y zonas adyacentes de la Reserva de la Biosfera El Triunfo, Chiapas, México. Se integró una base de datos con 1,513 registros, incluye 140 familias, 432 géneros, 795 especies y 24 ...
Miguel Ángel Pérez-Farrera   +4 more
doaj   +1 more source

Integrative taxonomy of the Ceratozamia mexicana Brongn. (Zamiaceae) species complex from a phylogeographic perspective

open access: yesPlant Species Biology, Volume 40, Issue 6, Page 530-546, November 2025.
Recent research has ignited a renewed interest in Ceratozamia cycads, unveiling their remarkable diversity. While previous studies primarily focused on morphology, this investigation employs a multidisciplinary approach, integrating phylogenetics, morphology, and ecological niches. Our methods identify seven distinct lineages as separate species.
Anwar Medina‐Villarreal   +2 more
wiley   +1 more source

Conservación de los recursos fitogenéticos: uso inteligente de la biodiversidad

open access: yesRevista Biológico Agropecuaria Tuxpan, 2018
Los recursos fitogenéticos están representados por toda la variedad y combinaciones posibles de rasgos que permiten a las especies vegetales adaptarse a los cambios en el medio; a mayor cantidad de rasgos y combinaciones, mayor es la probabilidad de que
Pablo Octavio Aguilar   +4 more
doaj   +1 more source

Preliminary Note on Ceratozamia

open access: yesBotanical Gazette, 1907
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Spatial distribution pattern of the endangered endemic cycad Ceratozamia fuscoviridis (Zamiaceae) in central Mexico

open access: yesPlant Species Biology, Volume 40, Issue 6, Page 572-583, November 2025.
Spatial distribution pattern were studied for Ceratozamia fuscoviridis, an endangered species in Mexico, based on Ripley's K t and K 12 analysis. Clumped spatial distribution patters was found in individuals of all populations, suggesting low interaction with predators/dispersers and/or evidence of suitable microsites for cycads.
María Teresa Pulido Silva   +4 more
wiley   +1 more source

FIGURE 5 in Ceratozamia sanchezae (Zamiaceae): a new cycad species from Chiapas Highlands (Mexico)

open access: yes, 2021
FIGURE 5. Linear Discriminant Analysis plot showing the grouping of the analyzed populations of Ceratozamia robusta sensu lato. The three elevational groups do not overlap (except for one sample) when considering the dispersion of six populations along ...
Santos-Hernández, Nancy Gabriela   +6 more
core   +1 more source

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