Results 121 to 130 of about 231 (141)
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A new Tertiary Ceratozamia (Zamiaceae, Cycadopsida) from the European Oligocene
Flora - Morphology, Distribution, Functional Ecology of Plants, 2002Summary Old palaeobotanical collections from Early Oligocene sites at Florsheim near Mainz, Germany, and Budapest – Nagybatonyi, Hungary, contain leaflets of a cycad. The epidermal trait, rows of serially arranged short cells within bands of prosenchymatous cells, and the articulate leaflet base prove its affinity to Ceratozamia (Zamiaceae ...
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Estructura sexual en Ceratozamia mexicana Brongn (Zamiaceae)
Las cícadas son plantas dioicas diferenciadas solo por sus estructuras reproductivas. Esta situación no permite conocer cuál es la proporción sexual real en las poblaciones, al no identificar el sexo de los individuos no reproductivos. En este trabajo se pretende conocer dicha proporción en una población de C.Nadia Guadalupe Sánchez Coello +3 more
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Ceratozamia guatemalensis (Zamiaceae): A new cycad species from Mesoamerica
PhytotaxaCeratozamia guatemalensis, a new cycad species from the Sierra de los Cuchumatanes, Huehuetenango, Guatemala, is described and compared with the geographically proximal congeners C. vovidesii and C. matudae, with which C. guatemalensis has been historically confused based on their pendulous seed cones, a rare trait in the genus.
Pérez-Farrera, Miguel Angel +6 more
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Ribosomal DNA Systematics inCeratozamia(Zamiaceae, Cycadales)
Giornale botanico italiano, 1996Caputo P. +4 more
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Disturbance effect on Ceratozamia fuscoviridis demography: notes about conservation
Tropical Ecology, 2023Rubio-Tobón Cuauhtemoc Alain +8 more
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Relationships and phytogeography in Ceratozamia (Zamiaceae).
2004A. P. Vovides +3 more
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