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  • Articles  (6)
  • morphology  (6)
  • Naturalis Biodiversity Center  (6)
  • American Chemical Society
  • 2020-2024  (6)
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  • Articles  (6)
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  • 1
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    On the morphological variation of Rafflesia cantleyi (Rafflesiaceae) on Pulau Tioman, Pahang, Peninsular Malaysia (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 1, pp. 75-82
    Details
    Publication Date: 2024-01-12
    Description: In Peninsular Malaysia, Rafflesia is represented by seven species of which R. kerrii (and R. su-meiae) \nstands out distinctly from the other five. The other five species, R. azlanii, R. cantleyi, R. parvimaculata, R. sharifahhapsahiae and R. tuanku-halimii, are collectively close enough to each other to be referred to as the R. cantleyi \ncomplex after its first-described species, R. cantleyi. Pulau Tioman has a population of R. cantleyi, which, because \nof its island location, is isolated from the mainland complex. This study was conducted to determine morphological \nvariation in a selected location in Pulau Tioman. Twelve flowers were studied with respect to characteristics such \nas wart (blotch) pattern on perianth lobes, warts (dots) on upper surface of the diaphragm, shape of the aperture, \nshape of processes and types of ramenta. These are the characters that have been used to define species in the \nR. cantleyi complex. The variation in the local Tioman population was compared with the variation in the R. cantleyi \ncomplex on the mainland, which is about the same magnitude. This supports the idea that R. cantleyi is a single \nhighly polymorphic species and that the species that have been described in the R. cantleyi complex should be \nreduced to varieties.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; morphology ; Pulau Tioman ; Rafflesia cantleyi complex ; variability
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 2
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    Fungi of quarantine concern for China I: Dothideomycetes (2021)
    Naturalis Biodiversity Center
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 47, pp. 45-105
    Details
    Publication Date: 2024-04-09
    Description: The current list of Chinese quarantine pests includes 130 fungal species. However, recent changes in the taxonomy of fungi following the one fungus = one name initiative and the implementation of DNA phylogeny in taxonomic revisions, resulted in many changes of these species names, necessitating an update of the current list. In addition, many quarantine fungi lack modern morphological descriptions and authentic DNA sequences, posing significant challenges for the development of diagnostic protocols. The aim of the present study was to review the taxonomy and names of the 33 Chinese quarantine fungi in Dothideomycetes, and provide reliable DNA barcodes to facilitate rapid identification. Of these, 23 names were updated according to the single name nomenclature system, including one new combination, namely Cophinforma tumefaciens comb. nov. (syn. Sphaeropsis tumefaciens). On the basis of phylogenetic analyses and morphological comparisons, a new genus Xenosphaeropsis is introduced to accommodate the monotypic species Xenosphaeropsis pyriputrescens comb. nov. (syn. Sphaeropsis pyriputrescens), the causal agent of a post-harvest disease of pears. Furthermore, four lectotypes (Ascochyta petroselini, Mycosphaerella ligulicola, Physalospora laricina, Sphaeria lingam), three epitypes (Ascochyta petroselini, Phoma lycopersici, Sphaeria lingam), and two neotypes (Ascochyta pinodella, Deuterophoma tracheiphila) are designated to stabilise the use of these names. A further four reference strains are introduced for Cophinforma tumefaciens, Helminthosporium solani, Mycocentro spora acerina, and Septoria linicola. In addition, to assist future studies on these important pathogens, we sequenced and assembled whole genomes for 17 species, including Alternaria triticina, Boeremia foveata, B. lycopersici, Cladosporium cucumerinum, Didymella glomerata, Didymella pinodella, Diplodia mutila, Helminthosporium solani, Mycocentrospora acerina, Neofusicoccum laricinum, Parastagonospora pseudonodorum, Plenodomus libanotidis, Plenodomus lingam, Plenodomus tracheiphilus, Septoria petroselini, Stagonosporopsis chrysanthemi, and Xenosphaeropsis pyriputrescens.
    Keywords: Ecology ; Evolution ; Behavior and Systematics ; Chinese quarantine fungi ; DNA barcodes ; genomes ; morphology ; new taxa ; phylogeny ; plant pathogens ; typification
    Repository Name: National Museum of Natural History, Netherlands
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  • 3
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    Untangling the Lactifluus clarkeae - Lf. flocktoniae (Russulaceae) species complex in Australasia (2021)
    Naturalis Biodiversity Center
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 47, pp. 1-44
    Details
    Publication Date: 2024-04-08
    Description: The Lactifluus clarkeae complex is a commonly observed, generally brightly coloured, group of mushrooms that are usually associated with Nothofagus or Myrtaceous hosts in Australia and New Zealand. For this study collections labelled as ‘Lactarius clarkeae’, ‘Russula flocktoniae’ and ‘Lactarius subclarkeae’ were examined morphologically and molecularly. Analyses of molecular data showed a high cryptic diversity, with sequences scattered across 11 clades in three subgenera within Lactifluus, and a single collection in Russula. We select epitypes to anchor the currently accepted concepts of Lf. clarkeae s.str. and Lf. flocktoniae s.str. The name Lf. subclarkeae could not be applied to any of the collections examined, as none had a lamprotrichoderm pileipellis. Lactifluus clarkeae var. aurantioruber is raised to species level, and six new species are described, three in subg. Lactifluus: Lf. jetiae, Lf. pagodicystidiatus, and Lf. rugulostipitatus, and three in subg. Gymnocarpi: Lf. albens, Lf. psammophilus, and Lf. pseudoflocktoniae. A new collection of Lf. russulisporus provides a significant range extension for the species. Untangling this complex will enable better identification of species and increase understanding of diversity and specific habitat associations of macrofungi.
    Keywords: Ecology ; Evolution ; Behavior and Systematics ; cryptic species ; integrated taxonomy ; lactarioid ; morphology ; new taxa ; section Tomentosi
    Repository Name: National Museum of Natural History, Netherlands
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  • 4
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    Redefining species limits in the Fusarium fujikuroi species complex (2021)
    Naturalis Biodiversity Center
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi vol. 46, pp. 129-162
    Details
    Publication Date: 2024-04-23
    Description: The Fusarium fujikuroi species complex (FFSC) includes more than 60 phylogenetic species (phylospecies) with both phytopathological and clinical importance. Because of their economical relevance, a stable taxonomy and nomenclature is crucial for species in the FFSC. To attain this goal, we examined type specimens and representative cultures of several species by employing morphology and phylogenetic analyses based on partial gene fragments of the translation elongation factor 1-alpha (tef1), beta-tubulin (tub2), calmodulin (cmdA), RNA polymerase largest subunit (rpb1) and RNA polymerase II second largest subunit (rpb2). Based on these results three new species were delimited in the FFSC. Two of these phylospecies clustered within the African clade, and one in the American clade. Epitypes were also designated for six previously described FFSC species including F. proliferatum and F. verticillioides, and a neotype designated for F. subglutinans. Furthermore, both F. acutatum and F. ophioides, which were previously invalidly published, are validated.
    Keywords: Ecology ; Evolution ; Behavior and Systematics ; epitypification ; fungal taxonomy ; morphology ; neotypification ; new taxa ; validation
    Repository Name: National Museum of Natural History, Netherlands
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  • 5
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    An updated identification guide to the species of Amorphophallus (Araceae): new synonyms and a set of global dichotomous keys (2023)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 68 no. 2, pp. 139-161
    Details
    Publication Date: 2024-05-03
    Description: This work presents updated dichotomous keys to the Amorphophallus (Araceae) species of the world based on morphological characters of the inflorescence. It is a compilation of data derived from herbarium specimens, living specimens, protologues, and following papers outlining taxonomic updates to the genus. Three new synonyms are proposed and a general key including 239 species of Amorphophallus distributed across the African, Asian, and Australian continents is included. Ten additional subkeys are provided by geographical subregion, making identification streamlined if the locality of the specimen is known. The aim of this paper is to make identification of Amorphophallus species accessible through a single manuscript, serving not only the research sector, but also citizen science. This guide provides a rapid and ac
    Keywords: Amorphophallus ; Araceae ; identification ; morphology ; synonyms ; systematics
    Repository Name: National Museum of Natural History, Netherlands
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  • 6
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    Revision of the African species of Monanthotaxis (Annonaceae) (2021)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 66 no. 2, pp. 107-221
    Details
    Publication Date: 2024-05-04
    Description: This taxonomic revision of the continental African species of Monanthotaxis (Annonaceae) includes 79 species and one variety. Thirteen new species (M. aestuaria, M. bidaultii, M. confusa, M. glabra, M. hexamera, M. mcphersonii, M. quasilanceolata, M. sterilis, M. submontana, M. suffruticosa, M. ursus, M. vulcanica and M. wieringae) are described and 5 new combinations (M. biglandulosa, M. kenyensis, M. ochroleuca, M. pynaertii and M. seretii) are made. The genus Monanthotaxis consists of lianas or lianescent shrubs. It occurs throughout forests in tropical Africa and the highest species diversity is found in the Western Central African rain forests. A key for flowering material is provided, just like a synoptic key including 45 characters. Topics included in the revision are the history of the taxonomy of Monanthotaxis, morphology, leaf anatomy, floral biology, distribution and habitat, phylogeny and finally ethnobotany and phytochemistry. Each species is fully described including synonymy, notes on distribution, habitat & ecology, vernacular names, uses and a preliminary IUCN conservation status. Distribution maps are provided for all species, illustrations for 48 species and photographs of 22 species. An index of exsiccatae and an index of the scientific names are included at the end.
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; distributions ; ethnobotany ; floral biology ; habitat ; leaf anatomy ; morphology ; phylogeny ; phytochemistry ; pollination ; seed dispersion
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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