Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"Psychotria"”.
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Phylogenetics, biogeography, and climate niche variation of South Pacific and Hawaiian Psychotria
… time-calibrated phylogeny of the Hawaiian Psychotria, using two nuclear and eight chloroplast loci, sampling 67 individuals. I coupled my phylogenetic hypothesis with climatic data, ecological niche modeling, and morphological dispersal characteristics to explain the variation in number of …
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Filogeografia, diferenciação geográfica e caracterização citogenética de populações naturais de Psychotria ipecacuanha das florestas Atlântica e Amazônica
Poaia (Psychotria ipecacuanha) é um pequeno arbusto perene que cresce abundantemente em áreas úmidas e sombrias das florestas tropicais do Brasil. A espécie foi utilizada pelos nativos brasileiros que ensinaram as propriedades medicinais aos colonizadores europeus. As raízes de poaia alcançaram …
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Disturbance ecology and size class structure of the Mulanje cedar of Malawi, Widdringtonia whytei and associated broadleaved forest
… Maesa lanceolata, Maytenus accuminata and Psychotria mahonii, were inferred from population size structures in the mixed conifer-broadleaved forests of Mt. Mulanje, Malawi. The size-class structures of the emergent cedar populations were characterised by even-sized, disjunct frequency …
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Diel patterns of insect herbivory and plant secondary metabolites in understory shrubs on Barro Colorado Island
… plants of four species in the genera Piper and Psychotria on Barro Colorado Island, Panama, to quantify the timing of herbivory over the course of 56 diel cycles. I found that on young leaves, protecting plants from herbivores during the night causes significantly fewer leaves to be damaged than …
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Ayahuasca’s Religious Diaspora in the Wake of the Doctrine of Discovery
… is combined with <em>chacruna</em> leaf (<em>Psychotria viridis</em>) in a tea, inducing psychedelic effects among its users. While social usage varies among Indigenous Peoples of South America, during the twentieth century new religious movements in Brazil began employing the mixture as …