Rhus kearneyi, Kearney's Sumac
Scientific Name: Rhus kearneyi
Common Name: Kearney's Sumac or Kearney Sumac
Also Called: Kearney Sumac
Family: Anacardiaceae, Sumac Family
Size: 12 feet more or less.
Growth Form: Shrub, tree; plants densely branched; bark scaly, older bark dark; branches tan to gray; densely puberulent and later glabrous.
Leaves: Green, olive green, shiny; conspicuous parallel venation (whitish) and prominent center mid-rib; alternate; evergreen; simple, margins entire to serrulate; broadly ovate, oval or broadly elliptic, leathery; underside of leaves with glandular hair; leaves up to 2 inches long.
Flower Color: White and pink; flowers in dense panicles, 2 or more inches long; bracts lanceolate to ovate, puberulent; flowers small, sepals pinkish, puberulent; petals cream colored, glabrous; fruit is a red drupe.
Flowering Season: January to February
Elevation: 1,000 to 1,500 feet.
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 20 species for Rhus. World wide, The Plant List includes 131 accepted species names and includes a further 96 of infraspecific rank for the genus.
In the Southwestern United States: Arizona has 7 species of Rhus, California has 5 species, Nevada has 2 species, New Mexico has 5 species, Texas has 7 species, Utah has 3 species. All data is approximate and subject to taxonomic changes.
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.