Prosopis cineraria, well defined in Expo 2020
Prosopis cineraria is an evergreen tree, grow up to 25m tall; trunk un-branched for several meters; branches droop, giving the canopy a rounded appearance with short triangular spines between leaves nodes; bark is fissured or cracked providing shelter to different insects. The tree is also frost hardy and tolerant of temperatures up to 50 oC.