Revue francophone sur la santé et les territoiresLes circulations en santé : des produits, des savoirs, des personnes en mouvement | 2019 Circulations et échanges de plantes et de savoirs phyto-médicinaux sur la frontière francobrésilienne

French National Research Agency) and its ReKABioS project. It received support from the OyaMar project financed by French Guiana ERDF. It also forms part of the EA 929 AIHP-GEODE project: "Urban territories: from the Antilles archipelago to the Guiana Shield: spaces, societies and relationships (16th-21st centuries)", and the doctoral thesis by Marc-Alexandre Tareau.

Au Kerala, en Inde du Sud, les industries pharmaceutiques ayurvédiques, en pleine croissance, sont principalement approvisionnées en matières premières végétales par le secteur privé, en dépit du monopole d'État sur la ilière des produits forestiers non ligneux. Notre étude analyse le mode opératoire du secteur informel de commercialisation de ces plantes médicinales issues de la forêt en se concentrant sur la première étape des ilières : la vente par le cueilleur. À partir de la cartographie des lux de produits sur le piedmont forestier et en évaluant le rôle des proximités, géographiques ou organisées, dans la constitution des réseaux, cet article interroge les choix de commercialisation des cueilleurs et les stratégies des différents débouchés pour attirer les produits. MOTS-CLÉS :Secteur informel, produits forestiers non ligneux, réseaux, Ayurveda, proximité Informal sector and marketing networks for medicinal plants in Kerala (India)In Kerala, South India, the growing Ayurvedic pharmaceutical drug industry gets its supply in plant raw material mainly through private sector, despite a monopolistic State marketing channel for non-wood forest products. This paper aims to understand the operating method of the informal sector, which deals with marketing of forest medicinal plants, and focuses on the irst step of the channels, i.e. the sale conducted by the collector. Based on the spatial representation of products' lows on the foothills, and evaluating the role of proximity -geographical or organisational -in network building, our research questions the marketing choices of collectors, as well as the strategies developed by diverse outlets for attracting products. (JEL: P280, Q23)

Migrants continue to usee their traditional herbal medicines in their new locations, but few studies have compared thera-peutic practices within a diaspora spread among different countries. In order to better understand how medicinal plants and associated practices circulate in the process of transnational migrations, we examine the Haitian diaspora in the cities of Cayenne (French Guiana), Miami (United States), and Montreal (Canada). We conducted semi-structured interviews (n = 44) with Haitian migrants in all three locations, and compiled plant inventories in gardens, shops, and through interviews. Our results record a total of 185 species cited among the three localities that were sold in shops, cultivated by informants, or gathered in diverse urban spaces, demonstrating the vitality with which members of the Haitian diaspora continue to use plants from their original pharmacopoeia while highlighting marked dissimilarities among uses. The persistence of phy-totherapy practices among migrant populations in different locations is fueled by transnational commercial and individual flows of medicinal plants.

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