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4,462 results for “South America”
FIGURE 2. Senecio ser. Culcitium. Foliar trichome. A in Synopsis of Senecio series Culcitium (Asteraceae: Senecioneae, Senecioninae) in the Andean region of South America
FIGURE 2. Senecio ser. Culcitium. Foliar trichome. A. Flagellate trichome (Senecio keshua). Scale bar = 20 μm.
FIGURE 1. Senecio ser. Culcitium. Habit. A in Synopsis of Senecio series Culcitium (Asteraceae: Senecioneae, Senecioninae) in the Andean region of South America
FIGURE 1. Senecio ser. Culcitium. Habit. A. Acaule rosulate herbs (Senecio expansus and S. hyoseridis). B. Scandent subshrubs (Senecio alatiopetiolatus, S.betonicifolius, S. campanulatus, S. cuencanus, S. doryphyllus, S. involucratus, S. otophorus, S. patens, S. piedrahitae, S. pindilicensis and S. subinvolucratus. C, D. Scapiform herbs. C. Capitula solitary (S. cajonensis, S. candollei, S. canescens, S. cocuyanus, S. ferrugineus, S. hypsobates, S. nivalis, S. serratifolius, S. timidus). D. Capitula in corymbiform cymes (Senecio canescens, Senecio mojandensis). E–F. Subscapiform herbs. E. Capitula solitary (Senecio nivalis, S. pflanzii). F. Capitula in corymbiform cymes (Senecio burkartii, S. canescens, S. culcitioides, S. keshua, S. leucophorbius, S. praeruptorum, S. punasessilis, S. rhizomatus, S. supremus, S. tephrosioides, S. violifolius). G. Herbs stems erect, uniformly leafy (S. imbaburensis, S. superparamensis and S. superandinus). H. Shrubs, stems erect (Senecio antisanae). I. Subshrubs, stems ascendant (S. gargantanus, S. josei, S. lingulatus, S. longepenicillatus, S. puracensis).
FIGURE 18. Senecio ser. Culcitium. A. Senecio serratifolius B. Senecio candollei. C. Senecio keshua. D in Synopsis of Senecio series Culcitium (Asteraceae: Senecioneae, Senecioninae) in the Andean region of South America
FIGURE 18. Senecio ser. Culcitium. A. Senecio serratifolius B. Senecio candollei. C. Senecio keshua. D. Senecio expansus. Photos by Christian Zanotti and Fernando Zuloaga.
FIGURE 12. Senecio imbaburensis. A. Habit. B. Leaf. C. Calycular bract. D. Phyllary. E. Floret. F. Corolla apex. G. Stamen. H in Synopsis of Senecio series Culcitium (Asteraceae: Senecioneae, Senecioninae) in the Andean region of South America
FIGURE 12. Senecio imbaburensis. A. Habit. B. Leaf. C. Calycular bract. D. Phyllary. E. Floret. F. Corolla apex. G. Stamen. H. Style branches.
FIGURE 16. Senecio subinvolucratus. A. Habit. B. Foliar base showing auricles. C. Leaf. D. Capitulum. E. Calycular bract. F. Phyllary. G. Floret. H. Achene. I. Stamen. J in Synopsis of Senecio series Culcitium (Asteraceae: Senecioneae, Senecioninae) in the Andean region of South America
FIGURE 16. Senecio subinvolucratus. A. Habit. B. Foliar base showing auricles. C. Leaf. D. Capitulum. E. Calycular bract. F. Phyllary. G. Floret. H. Achene. I. Stamen. J. Style branches.
FIGURE 15. Senecio nivalis. A. Habit. B. Leaf. C in Synopsis of Senecio series Culcitium (Asteraceae: Senecioneae, Senecioninae) in the Andean region of South America
FIGURE 15. Senecio nivalis. A. Habit. B. Leaf. C. Detail of pubescense. D. Capitulum. E, F. Calycular bracts. G. Phyllary. H. Floret. I. Stamen. J. Style branches.
FIGURE 17. Senecio superandinus. A. Habit. B. Leaf. C. Capitulum. D. Calycular bract. E. Phyllary. F. Floret. G. Corolla apex. H. Stamen. I in Synopsis of Senecio series Culcitium (Asteraceae: Senecioneae, Senecioninae) in the Andean region of South America
FIGURE 17. Senecio superandinus. A. Habit. B. Leaf. C. Capitulum. D. Calycular bract. E. Phyllary. F. Floret. G. Corolla apex. H. Stamen. I. Style branches.
FIGURE 1 in Palicella lueckingii (Lecanorales, Ascomycota), a new lichen species inhabiting Araucaria from the extratropical South America
FIGURE 1. Bayesian inference phylogenetic tree of Palicella lueckingii sp. nov. and related species within Lecanoraceae. Nodal support values are indicated by bold branches, including ML bootstrap values ≥ 75% and MCMC posterior probability ≥ 0.9. Protoparmelia badia was used as outgroup.
FIGURE 2 in Palicella lueckingii (Lecanorales, Ascomycota), a new lichen species inhabiting Araucaria from the extratropical South America
FIGURE 2. Palicella lueckingii (Rodriguez Flakus 2124). A habit: A, thick thallus with black marginate apothecia, B, section through apothecium showing hyaline exciple; C, asci showing amyloid Lecanora/Lecidella-like ascus apex (mounted in K/I); D, ascospores. Scales: A = 1000 μm, B = 50 μm, C–D = 10 μm.
FIGURE 2 in Lectotypification of Warszewiczia pulcherrima (Rubiaceae) with notes on Józef Warszewicz's plant collection preserved at KRA herbarium from his trips to Central and South America
FIGURE 2. Lectotype of Macrocnemus coccineaum Vahl (≡ Warszewiczia coccinea (Vahl) Klotzsch) preserved at BM.
FIGURE 2 in Tecunumania stothertiae (Cucurbitaceae): a new species from western Ecuador and a new generic record for South America
FIGURE 2. Maximum likelihood phylogeny estimate for the tribe Cucurbiteae inferred with RAxML based on 652 nucleotides of the nuclear ribosomal ITS region plus 2875 nucleotides of four chloroplast DNA regions (matK gene, rpl20-rps12 spacer, trnL intron, trnL-trnF spacer). Likelihood bootstrap values>75% are shown at the nodes. The sampling includes all eleven accepted genera of the tribe Cucurbiteae. The arrow indicates the position of the Tecunumania stothertiae from Ecuador, the scale bar indicates the number of substitutions per site per million years.
FIGURE 1. Tecunumania stothertiae Cornejo & H. Schaefer. A in Tecunumania stothertiae (Cucurbitaceae): a new species from western Ecuador and a new generic record for South America
FIGURE 1. Tecunumania stothertiae Cornejo & H. Schaefer. A, Staminate flower, lateral view; B, Staminate flower, frontal view; C, Staminate flower bud; D, Leaf blade, abaxial view; E, Sectioned fruit with foam indicating the presence of saponins; F, Mature seeds. Photographs taken from the holotype, Cornejo 9182 (GUAY).
FIGURE 2 in A Bergia in South America: on the neglected, possibly already extinct B. arenarioides (Elatinaceae)
FIGURE 2. Map of the known gatherings of Bergia arenarioides (pink stars). Locations are approximate, due to the imprecision of the available geographic information.
FIGURE 3 in A Bergia in South America: on the neglected, possibly already extinct B. arenarioides (Elatinaceae)
FIGURE 3. Specimen of Bergia arenarioides from Rio Pardo de Minas (D. Vincent 629, L barcode L.2451049). Copyright: Naturalis. Available online at: https://data.biodiversitydata.nl/naturalis/specimen/L.2451049.
FIGURE 1 in A Bergia in South America: on the neglected, possibly already extinct B. arenarioides (Elatinaceae)
FIGURE 1. Lectotype of Merimea arenarioides (A. de Saint-Hilaire B1-1862, P barcode P05490259). Copyright: Muséum National d'Histoire Naturelle. Available online at: https://science.mnhn.fr/institution/mnhn/collection/p/item/p05490259.
FIGURE 1. Waltheria glabribracteata. A. Flowering branch. B in Waltheria glabribracteata (Byttnerioideae, Malvaceae), a new species with elongate-plumose stigmas from South America
FIGURE 1. Waltheria glabribracteata. A. Flowering branch. B. Detail of the branch and indumenta. C. Adaxial surface of the leaf blade. D. Bracts with two flowers removed. E. Adaxial surface of the bract. F. Flower. G. Internal view of the calyx. H. Free lobe of the calyx with trichomes removed. I. Corolla lobe. J. Staminal tube and stigma elongate-plumose. K. Internal view of the staminal tube. L. Pistil. M. Capsule. N. Seed. (A–N: M.F. Simon et al. 2232).
FIGURE 5. A–C in Two new species of Pontederia L. (Pontederiaceae Kunth) to South America
FIGURE 5. A–C. Habitats with populations of Pontederia reflexa. A. Temporary lake in the Caatinga of Ceará, Brazil, in the dry season. B. Temporary lake in the Caatinga of Ceará, in the rainy season. C. Temporary pond in the Pantanal of Corumbá, Brazil. D–F. Pontederia reflexa. D. Inflorescence. E. Inflorescence in fruits. F. Dispersion unit. (Photo D.J.L. Sousa).
FIGURE 4. A–J. Pontederia reflexa. A. Habit. B. Different leaves showing the leaf-shape variation. C. Inflorescence. D in Two new species of Pontederia L. (Pontederiaceae Kunth) to South America
FIGURE 4. A–J. Pontederia reflexa. A. Habit. B. Different leaves showing the leaf-shape variation. C. Inflorescence. D. Trichome of the inflorescence rachis and perianth. E. Detail of a flower sectioned in the middle. F. Stamens. G. Trichome of the filament. H. Gynoecium. I. Trichome of the style. J. Dispersion unit. (D.J.L. Sousa 553).
FIGURE 2. A–F. Pontederia sagittata. A. Habit. B. Inflorescence. Pontederia gigantea. C. Habit. D. Inflorescence. E. Inflorescence detail. F in Two new species of Pontederia L. (Pontederiaceae Kunth) to South America
FIGURE 2. A–F. Pontederia sagittata. A. Habit. B. Inflorescence. Pontederia gigantea. C. Habit. D. Inflorescence. E. Inflorescence detail. F. Dispersion unit. (Photos D.J.L. Sousa).
FIGURE 1. A–G in Two new species of Pontederia L. (Pontederiaceae Kunth) to South America
FIGURE 1. A–G. Pontederia gigantea: A. Habit. B. Inflorescence detail. C. Detail of a trichome from the inflorescence rachis and the perianth. D. Flower. E. Detail of a flower sectioned in the middle. F. Detail of a trichome from the stamen filament. G. Fruit. (A–G from D.J.L. Sousa 650).
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.