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The current study was aimed to inventory and document the flora of Tutti Island (the study area) During a field survey conducted between August 2016 to December 2018. A total of 155 species belong to 120 genera and 41 families were inventoried. A number of 135 species were Dicotyledonous belong to 115 genera and 37 families. However, 20 species were monocotyledonous belong to 17 genera and 4 families. The most representative families were Fabaceace (23 species), Poaceae (14 species), Amaranthaceae (13 species), Asteraceae (10 species), Malvaceae (9 species) and Euphorbiaceae (8 species) respectively. Herbs comprise the predominant type of growth habit (52.34%) followed by shrubs (30.87%), vines (10.06%) and trees (6.71%) respectively. Botanical names of species and families were updated.
The study resulted in a number of species not previously recorded in the flora of the study area. The inventory led to a new generic record to the flora of Sudan; that is Macroptilium lathyroides (L.) Urb. Despite flora of the study area is rich, the study noticed that, there are some negative impact factors can affect this richness over time, these factors represented in human activities including overgrazing, agriculture and population expansion that beside to the annual flood.
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