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Family: Juglandaceae, Hickory Family
Plant Size: Generally less than 40' (12 M) in our area.
Blooms in: Spring
Habitat Preferred: Stream Banks, Canyons
Photo(s) taken at: Mingus Mountain, 9/99
Bloom Color: Male - long green catkins, females - small, green, becoming fruits with nuts inside
Other Common Names: Arizona Black Walnut, Nogal
Comments: Note that the proximal two leaflets (the two nearest the plant) on the leaf are curved backwards toward the plant. This helps distinguish Walnut from Western Soapberry and Ailanthus. This is the only native Walnut in Arizona. Squirrels eat the very hard nuts.
Further Reference & Sources: "A Field Guide to the Plants of Arizona", Anne Orth Epple, 1995, Falcon Press