Cycadales


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Related to Cycadales: Coniferales
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Synonyms for Cycadales

References in periodicals archive ?
(2010) there is considerable diversity in male gametophytes amongst the four orders of gymnosperms (Cycadales, Ginkgoales, Coniferales and Gnetales).
This new record of the presence of Anatrachyntis on a Neotropical species of cycad suggests that they may be predisposed to feeding on this uniquely toxic host tissue, and that further surveys may find members of this genus associating with species throughout the Cycadales. Additionally, the presence of pollen on the moth body, while not conclusive, suggests the potential for pollination, given that an unidentified Anatrachyntis is known to pollinate Cycas micronesica (Terry et al.
El orden Cycadales es un grupo ancestral de plantas con semillas que se originaron en el periodo Permico y posiblemente en el Carbonifero de la era Paleozoica, hace 280 a 345 Ma (Mamay, 1976; Zhifeng & Thomas, 1989; Condamine, Nagalingum, Marshall, & Morlon, 2015).
Botanical affinities of isolated palynomorphs included in this paper indicate the presence of sphenopsids (Equisetopsids) and ferns (Osmundaceae) during the early Permian period along with gymnosperms (Cycadales, Benniettitales).
Morfogenesis in vitro de Dioon merolae De Luca, Sabato y Vasquez-Torres (Zamiaceae, Cycadales) a partir de megagametofito y embriones cigoticos.
Specific topics encompass the paleobotany of Livingston Island, Antarctica; targeted isolation and sequence assembly and characterization of the white spruce; the complete chloroplast genome sequence of a tree fern; reverse genetic analyses of gene function in fern gametophytes; glossopterid seed ferns from the Late Permian period; pollen development; DNA barcoding in the Cycadales; expressed sequence tag analysis in Ginkgo biloba; frequent fires in ancient shrub tundra; the history of native plant communities in the South; past vegetation patterns of New Mexico's Rio Del Oso Valley; and East Asian monsoon and paleoclimatic data analysis.
The order Cycadales comprises three families (Cycadaceae, Stangeriaceae and Zamiaceae), and 11 genera (Cycas, Stangeria, Bowenia, Dioon, Encephalartos, Macrozamia, Lepidozamia, Ceratozamia, Microcycas, Zamia and Chigua) (Stevenson 1992).
(eds), The Biology, Structure, and Systematics of the Cycadales. Palm and Cycad Society of Australia, Brisbane, pp.
The biology, structure, and Systematics of the Cycadales. Proceedings of the Sixth International Conference on Cycad Biology.
Heterozygote excess in ancient populations of the critically endangered Dioon caputoi (Zamiaceae, Cycadales) from central Mexico.