Results 71 to 80 of about 13,769 (299)

Cosmovision as Cognitive Technology: The Case of Mesoamerican Medicinal Knowledge

open access: yesTopics in Cognitive Science, EarlyView.
Abstract We examine the use of cognitive technologies in the acquisition and retention of botanical and medicinal knowledge. We focus on the Cruz‐Badianus codex, a 16th‐century Nahua (Aztec) herbarium which discusses the use of plants for a range of illnesses.
Johan De Smedt, Helen De Cruz
wiley   +1 more source

Rubiaceae no Município de Camanducaia, Serra da Mantiqueira, Minas Gerais: sinópse e chave interativa

open access: yesRodriguésia
Resumo Este estudo teve como objetivos realizar o levantamento florístico da família no município de Camanducaia, Serra da Mantiqueira, extremo sul de Minas Gerais, onde extensos remanescentes de Mata Atlântica são encontrados, e elaborar uma Chave ...
João Afonso Martins do Carmo   +1 more
doaj   +1 more source

Estudo ecogeográfico da poaia [Psychotria ipecacuanha (Brot.) Stokes] Ecogeographic study of "poaia" Psychotria ipecacuanha (Brot.) Stokes

open access: yesRevista Brasileira de Plantas Medicinais, 2009
Este estudo foi conduzido com 13 populações amostradas nos estados RJ, MG, ES e BA para a coleta de dados ecogeográficos da poaia (Psychotria ipecacuanha).
E.R. Martins   +3 more
doaj   +1 more source

Inhibition of alpha oscillations through serotonin-2A receptor activation underlies the visual effects of ayahuasca in humans [PDF]

open access: yes, 2016
Ayahuasca is an Amazonian psychotropic plant tea typically obtained from two plants, Banisteriopsis caapi and Psychotria viridis. It contains the psychedelic 5-HT2A and sigma-1 agonist N,N-dimethyltryptamine (DMT) plus ß-carboline alkaloids with ...
Alonso, Joan Francesc   +12 more
core   +3 more sources

Sources of variation in plant chemical diversity: Lessons from Malagasy Ficus

open access: yesAmerican Journal of Botany, Volume 112, Issue 9, September 2025.
Abstract Premise Plants produce a tremendous variety of secondary compounds that are crucial to interspecific and intraspecific interactions and for adaptation to environmental changes. This chemical diversity has been attributed to multiple factors, including interactions with herbivores or pollinators, tissue‐specific needs, and evolutionary ...
Linh M. N. Nguyen   +10 more
wiley   +1 more source

Taxonomic results of the Bryotrop expedition to Zaire and Rwanda : 3., description of dollecting sites, the vegetation of Kahuzi-Biega-National Park/Zaire, Nyungwe Forest and Virunga volcanoes/Rwanda [PDF]

open access: yes, 1993
During the BRYOTROP-Expedition in 1991, 71 collecting sites could be visited. These are situated in the Kahuzi-Biega-National Park/Zaire, the Nyungwe Forest and the Virunga volcanoes/Rwanda.
Fischer, Eberhard
core  

Late 21st‐Century Climate and Land Use Driven Loss of Plant Diversity in African Mountains

open access: yesGlobal Change Biology, Volume 31, Issue 9, September 2025.
By the end of this century, many African mountain plants may lose large parts of their suitable habitats as the climate warms and land use changes. Even under a sustainable pathway limiting warming to under 2°C, nearly half of the 607 studied species are projected to contract their ranges, with losses even greater under higher emission scenarios ...
João de Deus Vidal Junior   +17 more
wiley   +1 more source

A New Species of Psychotria Subgenus Psychotria from Nicaragua

open access: yesNovon, 1999
The new species Psychotria hamiltoniana C. M. Taylor is described based on recent collections from the Caribbean coast of Nicaragua; this species is related to R neillii C. W. Hamilton & Dwyer. RESUMEN. Se describe la especie nueva Psychotria hamiltoniana C. M.
openaire   +2 more sources

Psychotria rupestris Pancher

open access: yes, 2013
Published as part of Barrabé, Laure, Mouly, Arnaud & Florence, Jacques, 2013, Psychotriae (Rubiaceae) neocaledonicarum specierum nomenclator, pp.
Barrabé, Laure   +2 more
openaire   +2 more sources

A Short‐Read Amplicon Sequencing Protocol and Bioinformatic Pipeline for Ecological Surveillance of Dipteran Disease Vectors

open access: yesMolecular Ecology Resources, Volume 25, Issue 6, August 2025.
ABSTRACT Vector control remains an important strategy worldwide to prevent human infection with pathogens transmitted by arthropods. Vector control strategies rely on accurate identification of vector taxa along with vector‐specific biological indicators such as feeding ecology, infection prevalence and insecticide resistance.
Raquel Lima‐Cordón   +18 more
wiley   +1 more source

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