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Journal article
A customized nuclear target enrichment approach for developing a phylogenomic baseline for Dioscorea yams (Dioscoreaceae)
Premise We developed a target enrichment panel for phylogenomic studies of Dioscorea, an economically important genus with incompletely resolved relationships. Methods Our bait panel comprises 260 low- to single-copy nuclear genes targeted to work in Dioscorea, assessed here using a preliminary taxon sampling that includes both distantly and closely related...Soto Gomez, Marybel ; Pokorny, Lisa ; Kantar, Michael ; Forest, Félix ; Leitch, Ilia …
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Journal article
A benchmark dataset of herbarium specimen images with label data
More and more herbaria are digitising their collections. Images of specimens are made available online to facilitate access to them and allow extraction of information from them. Transcription of the data written on specimens is critical for general discoverability and enables incorporation into large aggregated research datasets. Different methods, such...Dillen, Mathias ; Groom, Quentin ; Chagnoux, Simon ; Güntsch, Anton ; Hardisty, Alex …
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Journal article
A morphometric study of the restinga ecotype of Anacardium occidentale (Anacardiaceae): wild coastal cashew populations from Piauí, Northeast Brazil
The infraspecific taxonomy of wild Anacardium occidentale is little studied. We investigated whether wild populations on coastal dunes in Piauí, Brazil differed from non-wild populations. Ten populations were sampled and twenty one morphological variables were measured. Variation within and between populations was investigated with univariate and multivariate statistics. Dune populations...de Andrade, I ; de Oliveira, Nascimento ; de Sousa, M ; dos Santos, J ; Mayo, S
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Journal article
‘Unknown yellow’: Pibiria, a new genus of Passifloraceae with a mixture of features found in Passifloroideae and Turneroideae
In 1993, a shrub with yellow flowers reminiscent of but obviously distinct from Turnera was found near Mabura Hill in central Guyana, which was recollected in 2000. This paper offers a morphological description including leaf and wood anatomy and pollen morphology in addition to a phylogenetic analysis based on plastid...Maas, Paul ; Baas, Pieter ; Christenhusz, Maarten ; Clarkson, James ; Koek-Noorman, Jifke …
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Journal article
Taxonomic Synopsis of Eriosema (Leguminosae: Papilionoideae, Phaseoleae) in Brazil
Eriosema is a pantropical genus occurring mostly in savanna vegetation and grasslands of tropical environments, with approximately 150 species and two centers of diversity, one in Africa with about 110 species, and the other in the Neotropics with about 40 species. Considering the large number of Eriosema taxa in Brazil,...Cândido, , Elisa ; de Vargas, Wanderleia ; Bezerra, Luísa ; Mansano, Vidal ; Vatanparast, Mohammad …
Cerrado, Fabaceae, Cajaninae, taxonomy, Neotropics, Rhynchosia, and Eudicots
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Journal article
Building mountain biodiversity: Geological and evolutionary processes
Mountain regions are unusually biodiverse, with rich aggregations of small-ranged species that form centers of endemism. Mountains play an array of roles for Earth’s biodiversity and affect neighboring lowlands through biotic interchange, changes in regional climate, and nutrient runoff. The high biodiversity of certain mountains reflects the interplay of multiple...Rahbek, Carsten ; Borregaard, Michael ; Antonelli, Alexandre ; Colwell, Robert ; Holt, Ben …
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Journal article
Enhancing knowledge among smallholders on pollinators and supporting field margins for sustainable food security
Agro-ecological intensification (AEI) harnesses natural processes, such as pollination, that support sustainable crop production and can buffer against future food security risks. However, the transition from conventional agriculture, which relies on inputs that can damage natural ecosystem processes, to more sustainable food production under AEI, is knowledge-intensive. Here, we investigated...Elisante, Filemon ; Ndakidemi, Patrick A. ; Arnold, Sarah E.J. ; Belmain, Steven R. ; Gurr, Geoff M. …
ecosystem services, field margin plants, farming practices, crop production, and pollination
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Journal article
Enhancing identification accuracy for powdery mildews using previously underexploited DNA loci
The internal transcribed spacer (ITS) DNA marker is routinely used for fungal identification but gives a clear result for only three out of four powdery mildew samples. A search for new markers indicates that some genes offer enhanced identification in comparison with ITS. Others fail due to amplification and sequencing...Ellingham, Oliver ; David, John ; Culham, Alastair
Erysiphales, molecular markers, ITS, Mcm7, BLAST, powdery mildew, survey, citizen science, and phylogeny
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Journal article
Shift in flowering time allows diploid and autotetraploid Anacamptis pyramidalis (Orchidaceae) to coexist by reducing competition for pollinators
How autopolyploids establish when competing with diploid progenitors is still poorly understood. Here, we investigate the effects of morphological and phenological divergence on the reproductive success of co-occurring diploid and autotetraploid individuals of Anacamptis pyramidalis to disentangle the mechanisms allowing their c-oexistence. We estimated reproductive success in terms of absolute...