The complete chloroplast genome of Microcycas calocoma (Miq.) A. DC. (Zamiaceae, Cycadales) and evolution in Cycadales [PDF]
PeerJ, 2020 Cycadales is an extant group of seed plants occurring in subtropical and tropical regions comprising putatively three families and 10 genera. At least one complete plastid genome sequence has been reported for all of the 10 genera except Microcycas ...
Aimee Caye G. Chang +7 more
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Eobowenia gen. nov. from the Early Cretaceous of Patagonia: indication for an early divergence of Bowenia? [PDF]
BMC Evolutionary Biology, 2017 Background Even if they are considered the quintessential “living fossils”, the fossil record of the extant genera of the Cycadales is quite poor, and only extends as far back as the Cenozoic.
Mario Coiro, Christian Pott
doaj +4 more sources
Monograph of Ceratozamia (Zamiaceae, Cycadales): an endangered genus [PDF]
PhytoKeys, 2022 Ceratozamia (Zamiaceae, Cycadales), is a member one of the most endangered seed plant groups. Species of Ceratozamia grow from near sea level up to 2,100 meters in Mexico and Mesoamerica.
Lilí Martínez-Domínguez +3 more
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Phylotranscriptomics Shed Light on Intrageneric Relationships and Historical Biogeography of Ceratozamia (Cycadales) [PDF]
Plants, 2023 Ceratozamia Brongn. is one of the species-rich genera of Cycadales comprising 38 species that are mainly distributed in Mexico, with a few species reported from neighboring regions.
Sadaf Habib +6 more
doaj +2 more sources
Recent advances on phylogenomics of gymnosperms and a new classification [PDF]
Plant Diversity, 2022 Living gymnosperms comprise four major groups: cycads, Ginkgo, conifers, and gnetophytes. Relationships among/within these lineages have not been fully resolved.
Yong Yang +8 more
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PLoS ONE, 2007 Barcodes are short segments of DNA that can be used to uniquely identify an unknown specimen to species, particularly when diagnostic morphological features are absent.
Damon P Little, Chelsea D Specht
exaly +2 more sources
Detection of traces of calcium oxalate druses in fossil leaves of angiosperms and gymnosperms from different sites and geological periods. [PDF]
PLoS ONECalcium biomineralization in plants occurs in a variety of patterns such as calcium carbonate cystoliths and calcium oxalate (CaOx) crystals and agglomerates in different forms. CaOx druses and prismatic crystals with sizes between 20-100 µm are found in
Mahdieh Malekhosseini +4 more
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Diversity and host plant utilization of leaf-mining beetles of Chrysomeloidea (Coleoptera) in Japan [PDF]
ZooKeysThe superfamily Chrysomeloidea (Cerambycidae + Chrysomelidae + Megalopodidae) encompasses a diverse phytophagous beetles, whose larvae exhibit internal or external feeding on leaves, wood, or roots of many plants.
Makoto Kato, Yume Imada
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Diversity, 2023 Heterocyte-forming cyanobacteria form symbiotic relationships with several lineages of plants. Here, twenty (20) strains of endosymbiotic cyanobacteria (cyanobionts) with Nostoc-like morphologies were isolated from the highly specialized coralloid roots ...
Melissa H. Pecundo +6 more
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The first xiphydriid wood wasp in Cretaceous amber (Hymenoptera: Xiphydriidae) and a potential association with Cycadales [PDF]
Fossil Record, 2022 A new genus and species of fossil wood wasp is described and figured from mid-Cretaceous Kachin amber, representing the first occurrence of the family Xiphydriidae in the fossil record. Paraxiphydria resinata gen. et sp. nov. exhibits typical apomorphies
J. Gao +6 more
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