Juglans major
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Juglans major (literally, the larger walnut), also known as Arizona walnut,[1] is a walnut tree which grows to Script error: No such module "convert". with a DBH of up to Script error: No such module "convert". at elevations of Script error: No such module "convert". in Texas, Oklahoma, New Mexico, Arizona, and Utah.[2] It also occurs in Mexico as far south as Guerrero.[3] Common names include Arizona black walnut (as it belongs to the "black walnuts" section Juglans sect. Rhysocaryon), and the Spanish name nogal cimarrón (cimarron walnut).
Description
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In moister areas, the tree features a single, stout trunk; there are usually several slender trunks in drier situations.[4] The 8–14 in long pinnately compound leaves bear 9–15 lanceolate leaflets, Script error: No such module "convert". wide by Script error: No such module "convert". long. The small nut has a thick shell with deep grooves enclosing an oily, edible seed.[5][6]
J. major grows primarily in canyons or riparian areas, near springs, and other areas with shallow groundwater. Where the range of J. major overlaps that of J. microcarpa, the two interbreed, producing many intermediate forms.[7][8]
References
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- ↑ Cite error: Script error: No such module "Namespace detect".Script error: No such module "Namespace detect".
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- ↑ Laferriere, J.E. (1993). "Juglandaceae, Walnut Family". Journal of the Arizona-Nevada Academy of Science 27:219.
- ↑ Kershner, Mathews, Nelson, and Spellenberg (2008). National Wildlife Federation Field Guide to Trees of North America Inc, New York: Sterling Publishing Co., p. 228.
- ↑ Heller, Amos Arthur. (1909). Muhlenbergia; a Journal of Botany 1(4): 50.
- ↑ Torrey, John. (1853). Report of an Expedition down to the Zuni and Colorado Rivers 171, pl. 16.
- ↑ Vines, Robert A. (1960). Trees, shrubs, and woody vines of the Southwest. Austin, TX: University of Texas Press. 1104 p
- ↑ Powell, A. Michael. (1988). Trees & shrubs of Trans-Pecos Texas including Big Bend and Guadalupe Mountains National Parks. Big Bend National Park, TX: Big Bend Natural History Association. 536 p.
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