Results 1 to 10 of about 1,298 (173)
Free Sugar Profile in Cycads [PDF]
Frontiers in Plant Science, 2014 The sugars fructose, glucose, maltose, and sucrose were quantified in seven tissues of Zamia muricata Willd. to determine their distribution throughout various organs of a model cycad species, and in lateral structural roots of 18 cycad species to ...
Thomas Edward Marler, Anders eLindstrom
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Phylogenomic Inference Suggests Differential Deep Time Phylogenetic Signals from Nuclear and Organellar Genomes in Gymnosperms [PDF]
PlantsThe living gymnosperms include about 1200 species in five major groups: cycads, ginkgo, gnetophytes, Pinaceae (conifers I), and cupressophytes (conifers II).
Yu-En Lin +3 more
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Luthrodes pandava Larvae Can Distinguish Cycas Leaf Quality in Cafeteria Experiments [PDF]
InsectsCycads are being endangered by several anthropogenic threats, and invasions of non-native herbivores are among those threats. Various country invasions by the cycad blue butterfly Luthrodes pandava have threatened the local horticulture cycad trade and ...
Thomas E. Marler
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Assessing the extinction risk of Veracruz cycads [PDF]
Cambridge Prisms: ExtinctionCycads, an ancient lineage, face a higher threat of extinction than any other plant group. To address this urgent issue, a more comprehensive method for assessing extinction threat, the Conservation and Prioritization Index (CPI), is proposed and tested ...
Jorge Antonio Gómez Díaz
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The Systematics and Evolution of Gymnosperms with an Emphasis on a Few Problematic Taxa [PDF]
PlantsGymnosperms originated in the Middle Devonian and have experienced a long evolutionary history with pulses of speciation and extinction, which resulted in the four morphologically distinct extant groups, i.e., cycads, Ginkgo, conifers and gnetophytes ...
Yong Yang, Zhi Yang, David Kay Ferguson
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A comprehensive phylogenomic framework for cycads (Cycadales) [PDF]
PhytoKeysHere we present a time-calibrated phylogeny of 346 cycad accessions, covering ≈86% of the 380 accepted species, across all 10 extant genera, inferred from 1,409 single-copy nuclear loci (411,345 amino acid sites) derived from transcriptome and genome ...
Michael Calonje +2 more
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Retracing origins of exceptional cycads in botanical collections to increase conservation value
Plants People Planet, 2021 Natalie Iwanycki Ahlstrand +1 more
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Chemical ecology of symbioses in cycads, an ancient plant lineage [PDF]
New PhytologistShayla Salzman +2 more
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Poaching of Encephalartos transvenosus, in the Limpopo Province, South Africa
Resources, 2021 There is an established link between deforestation and negative hydrological effects which may affect watersheds. The number of the cycads Encephalartos transvenosus Stapf & Burtt Davy in South Africa is drastically reducing, and they are nearly extinct.
Tshianeo M. Ndou +4 more
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Taxonomy, 2021 Ceratozamia aurantiaca, a new cycad species from Oaxaca, Mexico, is described. The new species is endemic to lowland karst tropical rainforests of the northern mountains (Sierra Norte region). This species is related to C. subroseophylla and C.
Miguel Angel Pérez-Farrera +6 more
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