The traditional food use of wild vegetables in Apulia (Italy) in the light of Italian ethnobotanical literature

Abstract

In this work, we present a summary of an ethnobotanical research carried out in the whole Administrative Region of Apulia (southern Italy). The main topic of the investigation is the traditional knowledge about wild plants, focusing on their common names, on which parts were used in cooking and how they were used. The main aim was to establish a botanical knowledge about these culinary uses through a systematic identification of the species involved, directly in the field. In addition to this, we focused on the ecological aspects of these species and on their biological and chorological forms. Results suggest the existence of very strong ties between the local communities and this particular flora, without substantial differences between rural and urban areas or among different zones of the Apulia Region. On the other hand, in each area we found peculiar food uses, species, parts used, and recipes. The analysed wild plants still have a fundamental role in the local diet, which can predominantly be ascribed to the Mediterranean model. Moreover, we documented an increasing interest in the culinary uses of these species: in the Gargano area, for instance, more and more cultivations of SalicorniaperennansWilld.subsp.perennans are underway thanks to the demand coming from restaurants. In total, we documented 214 taxa (58 families) and at least 19 of them are enduring components of the local diet. Nineteen species represent a high number, considering that the tertiary sector is nowadays predominant in Apulia (73.5 % of the local GDP, compared to 73.2 % in Italy as a whole). Furthermore, the total amount of wild species used as food is the highest in Italy, according to the Italian ethnobotanical literature. On the same basis, we were able to draft a national checklist of 539 taxa documenting the taxonomy of the wild plants involved in traditional food use in Italy, categorized by regions. In conclusion, this work shows that the available literature regarding the Italian territory provides only a partial representation of traditional food uses, even though they are widespread throughout the country. Consequently, this tradition remains to be thoroughly investigated.

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