|Natural range of Celtis reticulata|
Celtis reticulata, with common names including netleaf hackberry, western hackberry, Douglas hackberry, netleaf sugar hackberry, palo blanco, and acibuche, is a small- to medium-sized deciduous tree native to western North America.
Celtis reticulata was one of the species analyzed in a pollen core sampling study in northern Arizona, in which the early to late Holocene flora association was reconstructed; this study in the Waterman Mountains-(Pima County-S.East AZ) demonstrated that C. reticulata was found to be present after the Wisconsinan glaciation, but is not a current taxon of this former Pinyon-juniper woodland area which is now in central and northern Arizona.
Its central range includes the Rio Grande watershed and the Chihuahuan Desert in southern Arizona and New Mexico, western Texas, and northern Sonora-Chihuahua-Coahuila. It is also found in the Madrean Sky Islands of the Sierra Madre Occidental in northern Sonora, and in the White Mountains and along the Mogollon Rim in Arizona. The banks of the Colorado River also provide suitable habitat, from the Grand Canyon northeast through Utah to western Colorado.
At its western edge, the tree's natural range includes the Columbia River Basin of Oregon, Washington, and western Idaho. It can also be found in Southern California in the southwestern Sierra Nevada foothills, the Peninsular Ranges and eastern Transverse Ranges, and the Mojave Desert sky islands.
Celtis reticulata usually grows to a small-sized tree, twenty to thirty feet (6 to 10 m) in height and mature at six to ten inches (15 to 25 cm) in diameter, although some individuals are known up to 70 feet high. It is often scraggly, stunted or even a large bush. It grows at elevations from 500–1,700 metres (1,600–5,600 ft).
Hackberry bark is grey to brownish grey with the trunk bark forming vertical corky ridges that are checkered between the furrows. The young twigs are covered with very fine hairs (puberulent). The blade of the leaves can be half an inch to three inches (2–8 cm) long, usually about two inches (5–6 cm). They are lanceolate to ovate, unequal at the base, leathery, entire to serrate (tending toward serrate), clearly net-veined, base obtuse to more or less cordate, tip obtuse to acuminate, and scabrous, with a dark green upper surface and a yellowish-green lower surface. The small stalks attaching the leaf blade to the stem (the petioles) are generally about 5 to 6 mm long.
The flowers are very small averaging 1/12 of an inch (2 mm) across. They form singly, or in cymose clusters pedicel in fr 4–15 mm. Fruit is a rigid, brownish to purple berry, 5 to 12 mm in diameter, pulp thin.
C. reticulata is often confused with the related species Celtis pallida, the spiny hackberry or desert hackberry, Celtis occidentalis, the common hackberry, and Celtis laevigata, the sugarberry or southern hackberry.
Celtis reticulata is cultivated by plant nurseries and available as an ornamental plant for native plant, drought-tolerant, natural landscape, and habitat gardens, and for ecological restoration projects.
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- C. reticulata was first described and published in Annals of the Lyceum of Natural History of New York 1: 247. 1824. "Name - Celtis reticulata Torr". Tropicos. Saint Louis, Missouri: Missouri Botanical Garden. Retrieved August 25, 2010.
- "Celtis reticulata". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved January 12, 2018.
- DeBolt, Ann M. (2002) "Celtis reticulata Torr. netleaf hackberry" United States Forest Service
- Lady Bird Johnson Wildflower database
- "Netleaf Hackberry" Archived June 28, 2011, at the Wayback Machine Tree New Mexico
- http://plants.usda.gov/java/profile?symbol=CELAR&mapType=large&photoID=celar_001_ahp.tif USDA: profile
- C. Michael Hogan. 2009
- Little, Atlas of United States Trees, Volume 3, Minor Western Hardwoods, Map 33-NW, Map 33-SW, Celtis reticulata.
- Little, Map 33-NW, Map 33-SW, Celtis reticulata.
- http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?7729,7730,7731 Jepson
- "Index of Species Information: Celtis reticulata" United States Forest Service
- Benson, Lyman D. and Darrow, Robert A. (1981) "Celtis: Hackberry, Palo Blanco" Trees and Shrubs of the Southwestern Deserts (3rd edition) University of Arizona Press, Tucson, Arizona, pages 154-155 ISBN 0-8165-0591-8
- Jepson, Willis Linn (1993) The Jepson Manual: Higher Plants of California (edited by James C. Hickman) University of California Press, Berkeley, California, p. 1081, ISBN 0-520-08255-9
- Little, Elbert L. (1994) . The Audubon Society Field Guide to North American Trees: Western Region (Chanticleer Press ed.). Knopf. p. 416. ISBN 0394507614.
- http://herb.umd.umich.edu/herb/search.pl?searchstring=Rhus+microphylla U.Michigan: Ethnobotany
- http://plants.usda.gov/java/charProfile?symbol=CELAR USDA: Plant Characteristics
- Little. Atlas of United States Trees, Volume 3, Minor Western Hardwoods, Little, Elbert L, 1976, US Government Printing Office. Library of Congress No. 79-653298. Map 33-NW, Map 33-SW, Celtis reticulata.
- Michaus. François André Michaux, John Jay Smith, Augustus Lucas Hillhouse, Thomas Nuttall. 1859. The North American sylva, Volume 4
- Jepson Manual treatment for Celtis reticulata
- Celtis reticulata Range Map
- Lady Bird Johnson database & gallery: Celtis reticulata
- Univ. of Wash. Burke Museum: photo gallery
- Celtis reticulata - CalPhotos gallery
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