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<p>Xanthosoma sagittifolium (L.) Schott (Araceae)-cocoyam based agroforestry systems in Benin remain poorly documented despite their ecological and cultural importance. This study assessed species diversity, domestication levels, and ethnobotanical knowledge of <i>Xanthosoma sagittifolium</i>–associated plants across six agroecological zones and seven departments. Data were collected through semi-structured interviews and floristic inventories in 56 farm units. Species identification relied on national and international databases, while domestication status was classified into six levels ranging from wild to fully cultivated. Species prioritization integrated eight criteria using four ranking methods to identify conservation priorities. A total of 48 species belonging to 26 families and 41 genera were recorded, with Fabaceae as the dominant family. Species diversity was high (H′ = 3.42; J = 0.88), indicating substantial floristic richness and balanced agroforestry structure. The Bar Land Zone exhibited the highest diversity, and fully domesticated species were most represented. Leaves were the most utilized plant parts, followed by wood and fruits, mainly for therapeutic and nutritional purposes, highlighting the multifunctional role of associated plants in rural livelihoods. Twelve priority species, including <i>Vitellaria paradoxa</i> C.F. Gaertn. (Sapotaceae), <i>Morinda lucida</i> A. Gray (Rubiaceae), <i>Khaya senegalensis</i> (Desr.) A. Juss. (Meliaceae)&#xa0;and <i>Parkia biglobosa</i> (Fabaceae), were identified for domestication and conservation. These findings provide a scientific basis for sustainable management and valorization of <i>Xanthosoma sagittifolium</i>–based agrobiodiversity in Benin.</p>

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Diversity of Xanthosoma sagittifolium (L.) Schott (Araceae)-based agroforestry systems in Benin, West Africa

  • 期刊论文

  • 发表日期：

    2026年6月30日

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  • Aboudou Hack Arouna,
  • Elie Antoine Padonou,
  • Ghislain Comlan Akabassi,
  • Bokon Alexis Akakpo,
  • Mouritala Sikirou,
  • Delphin Demahou Sobakin,
  • Agossou Bruno Djossa

摘要

Xanthosoma sagittifolium (L.) Schott (Araceae)-cocoyam based agroforestry systems in Benin remain poorly documented despite their ecological and cultural importance. This study assessed species diversity, domestication levels, and ethnobotanical knowledge of Xanthosoma sagittifolium–associated plants across six agroecological zones and seven departments. Data were collected through semi-structured interviews and floristic inventories in 56 farm units. Species identification relied on national and international databases, while domestication status was classified into six levels ranging from wild to fully cultivated. Species prioritization integrated eight criteria using four ranking methods to identify conservation priorities. A total of 48 species belonging to 26 families and 41 genera were recorded, with Fabaceae as the dominant family. Species diversity was high (H′ = 3.42; J = 0.88), indicating substantial floristic richness and balanced agroforestry structure. The Bar Land Zone exhibited the highest diversity, and fully domesticated species were most represented. Leaves were the most utilized plant parts, followed by wood and fruits, mainly for therapeutic and nutritional purposes, highlighting the multifunctional role of associated plants in rural livelihoods. Twelve priority species, including Vitellaria paradoxa C.F. Gaertn. (Sapotaceae), Morinda lucida A. Gray (Rubiaceae), Khaya senegalensis (Desr.) A. Juss. (Meliaceae) and Parkia biglobosa (Fabaceae), were identified for domestication and conservation. These findings provide a scientific basis for sustainable management and valorization of Xanthosoma sagittifolium–based agrobiodiversity in Benin.