Ethnobotanical and Socio-economics of Dracaena camerooniana Baker in Uíge Province, Northern Angola

Abstract

Aims: The aim of this research was to contribute to the survey of ethnobotanical knowledge on the use of Dracaena camerooniana by the local communities’ bordering the tropical forests of Uíge province.
 Study Design: The data collections were carried out using the semi-structured interview method. The approch methods are an ethnobotanical and socio-economics surveys populations of the study area.
 Place and Duration of Study: The study was undertaken in the province of Uíge, Republic of Angola, from April 2016 to March 2018, period that covers the dry and rainy season.
 Methodology: The surveys consisted in drafting a questionnaire beforehand to apprehend the knowledge and multiples uses of D. camerooniana among the surrounding population. The interview were conducted in Kikongo language and in Portuguese according to the mastered by the people surveyed.
 Results: The findings show that tropical forest zones of Congolese guinea/Zambian located in Uíge Province, is full of high value non-wood forest products (NWFPs) including D. camerooniana Baker (locally called Nzala bakala or Nsala bakala). This plant species is a wild green vegetable essence appreciated by the local population and is an additional source of financial income for subsistence farmers and Hunter-gatherers. Knowledge of D. camerooniana consumption was transmitted from generation to generation by oral tradition. The study also shows that D. camerooniana is well known and used by the local communities of Uíge. Finally, the consumption and commercialization of NWFPs, such as the leaves of D. camerooniana contribute in strengthening nutrition, health, food diversity, income and livelihoods.
 Conclusion: Despite its importance in food security and socioeconomic terms in both rural and urban areas, few scientific researchers have been fully interested in its valorization. In addition, the phytochemical studies should be carried out to discover the nutritional, toxic, and medicinal properties of this plant.