For at least 30 years researchers have called for a deeper refl ection on the paths we desire for ethnobotanical research. Although the discipline of ethnobotany is growing, as measured by the number of publications in the area, there is still work to be done regarding the homogeneity of theoretical and methodological approaches and the implications of ethnobotanical research fi ndings for society as a whole. In this article we present 10 questions/issues that we believe can guide the research and actions of ethnobotanists for the coming years.

BackgroundWe investigated local knowledge of plants in terms of plant use shifts and losses, in two coastal communities within a protected area in southern Brazil. Our hypothesis is that people’s livelihoods are associated with different ethnobotanical knowledge, and changes in these activities can reflect shifts in ethnobotanical knowledge such as stopping using some plants.MethodsWe interviewed 125 inhabitants after prior informed consent, asking her/him about their socioeconomic profile and to free list the plants they know. The free lists were analyzed by frequency of cited plants. To compare averages of cited plants and age in both communities, we used the Wilcoxon test with a significance of 5%. Spearman correlation was tested with number of plants cited in the past and the interviewees’ age. Permanence and change in economic activities in each community were represented using a graph and compared through a chi-squared test with a significance of 5%. Qualitative analyses of the interviews and a field diary were used to analyze driving forces for the abandonment of used plants.ResultsWe identified 231 plant species that were currently used mainly for food and medicine. Despite being in a protected area, most of the cited plants were exotic and cultivated in home gardens. We do not confirm the hypothesis that changes in livelihoods are reflected in the plants used; however, qualitative analyses showed potential drivers for shifts and losses of plant use. “Environmental law” and “protected area” were the drivers most related to the abandonment of plant use.ConclusionsWhile recognizing the importance of the protected area to maintain local people and their traditions, we documented a shift in plant use that is mainly correlated to construction activities that disappeared from daily practices.

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Food is a cultural marker investigated by several fields of knowledge. The ecological approach to food plants used in human societies can give us insights into food biodiversity and its connection to cultural identity. In our work, we investigate plant knowledge as part of an imagined culinary community among Polish and German descendants in Santa Catarina, Brazil. We interviewed Polish and German descendants and used an ecological analytical approach to discuss patterns of known plants mediated by culture. One hundred years after immigration, we found that ethnic food-centered memories remain. Polish and German descendants share most resources cited, while the difference between plants’ use lies in the ethnic memories and food preparation. There is a tendency to acculturate ingredients and tastes by immigrants descendants, using native species to recreate dishes. This scenario, which joins native plants’ knowledge and ethnic memories, provides an excellent opportunity to maintain local biocultural diversity in urbanized environments.