There are sixty-five to seventy species of Fraxinus found around the world, so of course ancient Romans had a name for ash trees. Carl Linnaeus, the king of binomial nomenclature, used the classical Latin name fraxinus as the genus for ash trees and one hundred years later the American botanist John Torrey gave the species name velutina to the tree I’m jabbering about in this episode, Fraxinus velutina or velvet ash. Seven species of ash are found in Arizona and most if not all can be found in the horticulture trade. That’s awesome, so hey, collect them all! The photos…