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5 results for “karst landform”
Data from: Two new species of Parnassia (Celastraceae) from karst cave and Danxia landform in Southwest China
Two new species of Parnassia found in mountainous areas of Chongqing City, Southwest China, are described and illustrated: P. zhengyuanum M.X. Ren & J. Zhang and P. simianshanensis M.X. Ren, J. Zhang & Z.Y. Liu respectively. Parnassia zhengyuanum is found in a limestone cave near Mt. Jinfo, Nanchuan District, Chongqing City. This tiny plant has special spoon-shaped leaves and undivided staminodes with green apices. Parnassia simianshanensis was discovered in Mt. Simian, Jiangjin County, Chongqing City. This species grows along streams on red sandstones, i.e. in Danxia landform. It can be easily distinguished by its unique rhombic leaves and the five- or four-branched staminodes. The conservation status of P. zhengyuanum and P. simianshanensis are assessed respectively as 'Critically Endangered' (CR) and 'VU' (Vulnerable) according to IUCN criteria. The roles of karst and Danxia landforms in the speciation process are discussed.
Data from: Two new species of Parnassia (Celastraceae) from karst cave and Danxia landform in Southwest China
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FIGURE. 3 in Two new species of Dyfrolomyces (Dyfrolomycetaceae, Dothideomycetes) from karst landforms
FIGURE. 3 Dyfrolomyces maolanensis (GZAAS 16-0114; holotype) a, b Appearance of ascomata immersed in the host. c Vertical section through ascoma. d Section of peridium. e Pseudoparaphyses. f–i Long, cylindrical asci with ascospores. j–o Ascospores. Scale bars: c = 100 μm, d, f–i = 20 μm, e = 30 μm, j–o = 10 μm.
FIGURE. 2 in Two new species of Dyfrolomyces (Dyfrolomycetaceae, Dothideomycetes) from karst landforms
FIGURE. 2 Dyfrolomyces thamplaensis (MFLU 16-2511; holotype) a, b Appearance of ascomata immersed in the host. c Long, cylindrical asci with ascospores. d Pseudoparaphyses. e Asci with apical ring. Note the arrow heads indicate the apical ring. f Vertical section through ascoma. g Section of peridium. h Germinating ascospore. i–l Ascospores. Scale bars: b = 500 μm, c, d = 30 μm, e, h = 10 μm, f= 100 μm, g = 20 μm, i–l = 5 μm.
FIGURE. 1 in Two new species of Dyfrolomyces (Dyfrolomycetaceae, Dothideomycetes) from karst landforms
FIGURE. 1 Maximum likelihood phylogenetic tree by RAxML (GTR+G model) based on combined LSU, SSU rDNA and TEF1-a sequence data. ML values (> 50%) resulting from 1000 bootstrap replicates are shown near the nodes and branches with Bayesian posterior probabilities (PP) greater than 0.95 are given in bold. Hyphen ("--") indicates that the support values are lower than 50%. The original isolate numbers are noted after the species names. The tree is rooted to Dothidea sambuci (AFTOL 274), and the scale bar shows 0.01 changes.
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.