This variety is endemic to Morocco in the Region of Marrakech-Tensift-El Haouz and the Province of Marrakech. The precise area is located in the Oued n'Fiss Valley 60 km south of Marakech, between Tizi-n-Test road, south of Asni. In total there are 8 sites (Bellefontaine 1979) which together represent a single location. The current actual area of occupancy is estimated to be 14.58 kmÂ² (Achhal 1986) while the extent of occurrence, based on recent herbarium specimens from across its known range, is 40 km2.
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