Arizona Walnut
Juglans major
This pair of mature Arizona Walnuts were growing along Sycamore Creek in the Pine Mountain Wilderness, Yavapai Co., Arizona. June 2009.
Photographed along Sycamore Creek in the western foothills of the Mazatzal Mountains, Maricopa Co., Arizona. April 2008. Pendulent spikes of male flowers at left in this image.
TREE: Medium sized tree found in shady, well-watered canyons. Under
ideal conditions mature trees reach a height of 15
meters. Dark brown to nearly black, furrowed bark.
LEAVES: Large, compound leaves are alternate on the stems. Odd number of
leaflets are toothed, numbering nine or more.
RANGE: A very frequent associate of Arizona Sycamore in the riparian
woodlands of Arizona. Found in mountainous areas at mid elevations from Arizona
to Texas and south into Mexico. Nogales is the Spanish name for walnut.
FRUIT: Fleshy husk over a hard-shelled nut. Husk is strongly aromatic.
FLOWERS: Separate male and female flowers on the same plant, born in
spikes. Male spikes have many more flowers than the female spikes.
UNARMED
Juglandaceae -- Walnut Family
More Information:
- Northern Arizona Flora
- Virginia Tech Dept. Forestry
- USDA Plant Profile
- ITIS Taxonomic Report
- Google Images
- Google Scholar Literature Search