This study aimed to investigate the local botanical knowledge of native food plants in three rural communities, located in the semiarid region of Paraíba State, Brazil, verifying possibilities of differences of knowledge among communities and between men and women. Semi-structured interviews about native plant knowledge and use were conducted with all householders in each community, totaling 117 informants. The species similarity among the communities of Pau D’Arco, Várzea Alegre, and Barroquinha was compared with Jaccard index, and the use value index (UVgeneral, UVcurrent, UVpotential) was used to determine the most important species. The Kruskal-Wallis test was used to compare the use values among communities and genders. The consensus factor among the informants was calculated according to the uses cited, and the Wilcoxon test was used to compare the use values between men and women. We recorded 9 species belonging to 8 genera and 8 families in Várzea Alegre; 10 species, 9 genera, and 9 families in Barroquinha; and 7 species, 7 genera and 7 families in Pau D’Arco. Spondias tuberosa Arruda (Anacardiaceae) in Várzea Alegre, Spondias sp. (Anacardiaceae) in Barroquinha, and Ximenia americana L. (Olacaceae) in Pau D’Arco were the most prominent species. Preparation methods are slightly different in the three communities, and there is low similarity about species use among the communities. Regarding gender, the analysis of use value among the communities evidenced significant differences only for UVgeneral among women, specifically between Barroquinha and Pau D’Arco. For men and women within each community, there is a difference only for UVpotential in Barroquinha. This study showed that the residents of the three rural communities have limited knowledge of native food plants found in their communities, but they know where to find them, which parts they may use and how to consume them. The fact is that men know plants that are more distant from the residences and women know those that are next to them.
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机译：这项研究旨在调查位于巴西帕拉伊巴州半干旱地区的三个农村社区对本地食用植物的当地植物学知识，从而验证社区之间以及男女之间知识差异的可能性。对每个社区的所有住户进行了关于本地植物知识和使用的半结构化访谈，总共有117名信息提供者。比较了波城（Pau D'Arco），瓦尔萨（VárzeaAlegre）和巴罗奎尼亚（Barroquinha）群落之间的物种相似性，并用Jaccard指数进行了比较，并使用使用价值指数（UVgeneral，UVcurrent，UVpotential）确定了最重要的物种。使用Kruskal-Wallis检验比较社区和性别之间的使用价值。信息提供者之间的共识因子是根据引用的用途计算的，并使用Wilcoxon检验比较了男性和女性之间的使用价值。我们在瓦塞阿·阿莱格里记录了9个物种，属于8个属和8个科。 Barroquinha有10种9属9属;在波城（Pau D’Arco）有7种7属7科瓦格亚阿雷格里（Sádiadiasp。）最著名的物种是Barroquinha的（Anacardiaceae）和Pau D’Arco的Ximenia americana L.（Olacaceae）。三个社区的制备方法略有不同，并且社区之间物种使用的相似度很低。关于性别，对社区使用价值的分析表明，仅紫外线通行的女性之间存在显着差异，特别是在Barroquinha和Pau D’Arco之间。对于每个社区中的男人和女人，Barroquinha的紫外线潜能仅有所不同。这项研究表明，三个农村社区的居民对在其社区中发现的本地食用植物的了解有限，但他们知道在哪里可以找到它们，可以使用哪些部分以及如何食用它们。事实是，男人知道离住所更远的植物，而女人知道离他们较近的植物。
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