This Cyperus sp. is about 100cm high, in a wet area with muddy soil.
Tamer Mahmoud
The above plant looks close to Cyperus polystachyos Rottb. of the Cyperaceae family. But it is not found in the flora of United Arab Emirates.
https://www.uaeflora.ae/family-type/CYPERACEAE
https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:75004-2
Thanks!
Cyperus polystachyos (=Pycreus polystachyos) can reach a height of up to 110 cm.
https://www.worldfloraonline.org/taxon/wfo-0000507098
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