Results 51 to 60 of about 209 (128)
Reasons of leaves withering in tropical plants cultivated under greenhouse conditions
Acta Agrobotanica, 2013 In order to determine the reasons of necrosis of exotic plants leaves cultivated in greenhouses plants belonging to ten following species were examined: Ceratozamia mexicana Brongn., Stangeria eriopus (Kunze) Nash (Cycadaceae), Eriobotrya japonica Lindl.
Z. Czerwiński +3 more
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A New Species of Ceratozamia (Zamiaceae) from Veracruz, Mexico
Novon, 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
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Publishing trends for the Cycadales, the most threatened plant group
Journal of Threatened Taxa, 2016 Trends in published cycad research within various fields of study were determined using proceedings from international conferences on cycad biology and Google Scholar to access the primary literature.
April N. Cascasan, Thomas E. Marler
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A New Species of Ceratozamia (Cycadales, Zamiaceae) from Veracruz, Mexico
Novon: A Journal for Botanical Nomenclature, 2008 Ceratozamia decumbens (Zamiaceae, Cycadales) is newly described and illustrated. This species, endemic to Veracruz, has affinity with C. morettii Vazquez Torres & Vovides, but differs in leaf morphology and leaflet habit as well as in the microsporangiate and megasporangiate strobili and trunk.
Andrew P. Vovides +3 more
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Early Oligocene plant diversity along the Upper Rhine Graben: The fossil flora of Rauenberg, Germany
Acta Palaeobotanica, 2016 The macroflora of Rauenberg, Baden-Württemberg, Germany, is treated monographically. The plant-bearing sediments are marine, mainly well-bedded clay- to siltstones, the so-called Fischschiefer, which are part of the Bodenheim Formation.
Kovar-Eder Johanna
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A New Species of Ceratozamia (Zamiaceae, Cycadales) from Chiapas, Mexico
Novon, 1999 A new species of cycad, Ceratozamia alvarezii (Zamiaceae) from Chiapas, is described and illustrated. This species has affinities with C. matudai from Chiapas and C. sabatoi from Quere- taro and Hidalgo. It differs from these species with regard to trunk, leaf habit, and male and female cones. It differs from C.
Miguel A. Perez-Farrera +2 more
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MARCADORES RAPDs ASOCIADOS A LA EXPRESIÓN DEL SEXO EN Ceratozamia mexicana Brongniart (Zamiaceae)
Revista Chapingo: Serie Ciencias Forestales y del Ambiente, 2010 Ceratozamia mexicana Brongniart es una especie estrictamente dioica con un largo estadio juvenil. Con el fin de detectar marcadores moleculares asociados al azar (RAPD) y al análisis masal segregante (BSA), se trabajó con muestras de tejido foliar de ...
L. Iglesias-Andreu +4 more
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Las plantas vasculares endémicas de Veracruz: análisis de 30 años de conocimiento
Botanical SciencesAntecedentes: Desde 1994 se han publicado cinco listados y una base de datos que incluyen a las plantas endémicas de Veracruz, sin embargo, estos presentan notables discrepancias entre sí.
María Guadalupe Ruiz Gómez +2 more
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Tropical and Subtropical Agroecosystems, 2012 Vegetal populations are affected by biotic and abiotic factors that influence the regeneration processes. The aims of this study were to know the population structure of Ceratozamia mexicana under two contrasting conditions (conserved site and disturbed ...
Andrés Rivera-Fernández +5 more
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