Rhus kearneyi, Kearney's Sumac
Scientific Name: Rhus kearneyi
Common Name: Kearney's Sumac
Also Called: Kearney Sumac
Family: Anacardiaceae, Sumac Family
Perennial Size: 12 feet more or less.
Growth Form: , Shrub ; plants densely branched; bark scaly, older bark dark; branches tan to gray; densely tree and later puberulent .
glabrous Leaves: Green, olive green, shiny; conspicuous parallel venation (whitish) and prominent center mid-rib; ; evergreen; alternate , simple margins to entire ; broadly serrulate , oval or broadly ovate , leathery; underside of leaves with elliptic ; leaves up to 2 inches (5 cm) long.
glandular hair Flower Color: White and pink; flowers in dense , 2 or (5 cm) more inches long; panicles bracts to lanceolate , ovate ; flowers small, puberulent pinkish, sepals ; puberulent cream colored, petals ; glabrous is a red fruit .
drupe Flowering Season: January to February
Elevation: 1,000 to 1,500 feet (25-38 m).
Habitat Preferences: Rhus kearneyi is extremely rare in North America where it is known only from southwest Arizona.
Recorded Range: Rhus kearneyi is rare in North America and it is only found in southern Yuma, County, Arizona. It is native to Baja California and northern Mexico.
North America & US County Distribution Map for
. Rhus kearneyi
U.S. Weed Information: No information available.
Invasive/Noxious Weed Information: No information available.
Wetland Indicator: No information available.
Threatened/Endangered Information: In Arizona Rhus kearneyi is "Salvage Restricted". Genus Information: In North America there are 18 for Rhus. Worldwide, The Plant List includes 131 accepted species names and a further 96 scientific names of infraspecific rank for genus Rhus. The genus Rhus was published by in 1753.
In the Southwestern United States: Arizona and Texas each have
7 species of genus, California has 5 species, Nevada has 2 species, New Mexico has 5 species and Utah has 3 species. All data approximate and subject to revision.
Comments: Kearney's Sumac is rare in the United States where it is limited in distribution to the southwest corner of the state in southern Yuma County, Tinajas Altas.
also see; Littleleaf Sumac, Southwest Desert Flora , Smooth Sumac, Rhus microphylla Rhus glabra , Sugar Sumac, and Skunkbush Sumac, Rhus ovata . Rhus trilobata var. trilobata
No information available.
Importance to Wildlife, Birds and Livestock
Several varieties of butterflies and moths regularly visit member of the genus Special Value to Native Bees, Butterflies and Insects Rhus. It is likely Rhus kearneyi is included - Find out more from . and from the Butterflies and Moths of North America Pollinator Program at .
The Xerces Society for Invertebrate Conservation
The genus Etymology: is from the ancient Greek name for Sumac "rhous". The genus Rhus Rhus was published by in 1753.
Carl Linnaeus The species epithet "kearneyi" is named in honor of .
Thomas Henry Kearney
No information available.
Date Profile Completed: 05/04/2017,
University of California Press, Berkley and Los Angeles, California.
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database – ITIS search (accessed 01/18/2020).
The Plant List (2013). Version 1.1. Published on the Internet; http://www.theplantlist.org/ (accessed 01/17/2020).
Anderson, John L., 2006. Vascular Plants of Arizona: Anacardiaceae. CANOTIA 3 (2): 13-22.
John Seiler, John Peterson, Virginia Tech; Dept of Forest Resources and Environmental Conservation; Kearney’s Sumac; on-line accessed 05/04/2017
SEINet synonyms, scientific names, geographic locations, general information - (accessed 05/04/2017).