The Tibesti (and to a lesser extent the Jebel Uweinat massif) foster higher, more regular rainfall and cooler temperatures than the surrounding Sahara. This supports woodlands and shrublands of date palm (Phoenix dactylifera), acacias, Saharan Myrtle (Myrtus nivellei), oleander (Nerium oleander), tamarix, and several endemic and rare plant species, such as Ficus teloukat. The northern slopes are humid enough to support wetland species such as Juncus maritimus, Typha australis, Scirpus holoschoenus, Phragmites australis and Equisetum ramosissimum.