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Syzygium guineense var. macrocarpum est une plante a usages multiples, a plusieurs sous-varietes et qui est menacee de disparition. Cette etude envisage de determiner le savoir endogene, de decrire et d’evaluer les sous-varietes de la plante dans les Hautes Savanes Guineennes (Adamaoua, Cameroun). Les methodes ethnobotaniques dont la valeur d’usage ethnobotanique (VUE) ont ete utilisees sur 195 hommes et 23 femmes. Les resultats ont montre de nombreux usages faits des parties de la plante. Les fruits faisaient l’unanimite en consommation humaine. L’huile issue des graines des fruits etait comestible et commercialisee. Le savoir locale dependait de l’âge, du genre et du groupe ethnolinguistique. La VUE a permis de classer les quatre sous-varietes de la plante, distinguables par leurs fruits en maturite complete en fonction des preferences. L’existence des sousvarietes indique une variabilite morphologique de Syzygium guineense var. macrocarpum dans la zone d’etude. Des etudes moleculaires pourront elucider cette variabilite. Des etudes de toxicites de l’huile issue des graines de la plante permettront sa valorisation. © 2018 International Formulae Group. All rights reserved. Mots cles: Ressources genetiques forestieres, erosion genetique, securite alimentaire, connaissance traditionnelle, Cameroun English Title: Ethnobotanical study of Syzygium guineense (Will.) DC. var. macrocarpum (Engl.) F. White sub-varieties from the Guinean Savannah Highlands (Adamawa, Cameroon) English Abstract The multipurpose tree Syzygium guineense var. macrocarpum has sub-varieties but it is at risk of disappearing. The study aimed at determining indigenous knowledge, describing and evaluating the sub-varieties of the plant from Guinean Savannah Highlands (Adamawa, Cameroon). The ethnobotanical methods as the ethno-botanic use value (UV) were used to interview 195 men and 23 women. The results showed many uses of the plant. The fruits were consumed by all the indigenous. By product seed oil from these fruits was commercialized and eaten. The indigenous knowledge was depended on age, gender and ethnolinguistic group. The four plant sub-varieties were classified using the UV depending on the preferences, discrimination among these sub-varieties were done by mature fruits characteristics. Due to existence of sub-varieties, Syzygium guineense var. macrocarpum have the morphological variability in the study area. The molecular studies are required to elucidate this variability. Studies of toxicities of the plant seed oil will make it possible to value it. © 2018 International Formulae Group. All rights reserved. Keywords: Forest genetic resources, genetic erosion, food security, indigenous knowledge, Cameroon

international journal of biological and chemical sciences

Etude ethnobotanique des sous-variétés de &lt;i&gt;Syzygium guineense&lt;/i&gt; (Will.) DC. var. &lt;i&gt;macrocarpum&lt;/i&gt; (Engl.) F. White dans les Hautes Savanes Guinéennes (Adamaoua, Cameroun)