Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

Home to the plants of the Sonoran, Chihuahuan and Mojave Deserts

Cirsium ochrocentrum, Yellowspine Thistle

Scabrethia scabra, Badlands Mule-Ears

Scabrethia scabra, Badlands Mule-Ears, Southwest Desert Flora Scabrethia scabra, Badlands Mule-Ears, Southwest Desert Flora

Scientific Name: Scabrethia scabra
Common Name: Badlands Mule-ears
Also Called: Badland Mulesears, Badlands Wyethia
Family: Asteraceae, Sunflower Family
Synonyms: (Wyethia scabra)
Status: Native
Duration: Perennial
Size: Up to 2 feet.
Growth Form: Forb/herb, subshrub; erect low mounding with woody base; multiple light green or whitish stems; older dried growth visible.
Leaves: Green; alternate, lanceolate with prominent midvein.
Flower Color: Yellow flower heads up to 4 inches wide, single radiate heads; few to many flower heads, fruit an achene.
Flowering Season: June to October.
Elevation: 5,000 to 6,000 feet.

Habitat Preferences: Dry slopes, mesas, sandy soil.

Recorded Range: In the United States, Badlands Mule-Ears is found in the west in AZ, CO, MT, NM, UT and WY, primarily in AZ, UT and WY. In Arizona it is found in the northern part of the state.

North America & US County Distribution Map for Scabrethia scabra.

U.S. Weed Information: No data available.
Invasive/Noxious Weed Information: No data available.
Wetland Indicator: No data available.
Threatened/Endangered Information: No data available.

Genus Information: 1 species in Scabrethia. 3 subspecies in Scabrethia scabra:
Scabrethia scabra ssp. attenuata, Badlands Mule-ears,
Scabrethia scabra ssp. canescens, Badlands Mule-ears and
Scabrethia scabra ssp. scabra, also Badlands Mule-ears.

Comments: Badlands Mule-Ears is relatively common in northern Arizona in locations of preferred habitat. The photo above was taken June 17, at Monument Valley, Navajo County, Arizona.

Date Profile Completed: 10/25/2012; Updated, 07/26/2015, updated format 10/11/2017
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and Los Angeles as Wyethia scabra
William A. Weber, FNA | Family List | FNA Vol. 21 | Asteraceae | Scabrethia Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 16+ vols. New York and Oxford. (accessed 10/25/2012)
SEINet for synonyms, scientific names and recorded geographic locations,