Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

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

Cirsium ochrocentrum, Yellowspine Thistle

Eriophyllum pringlei, Pringle's Wooly Sunflower

Pringle's Wooly Sunflower is a small woolly-white attractive species with tiny yellow all-disk flowers. The plants only grow up to about 2 inches or so. Eriophyllum pringlei Pringle's Wooly Sunflower has single or small clusters of flowers growing from leaf axils. The plants bloom from March to July across its small geographic range. Eriophyllum pringlei Pringle's Wooly Sunflower is a low growing species, woolly white over most of the plant often looking velvety and cotton-like. Plants grow in elevations from 1,000 to 6,500 feet in elevation. Eriophyllum pringlei Pringle's Wooly Sunflower or Wooly Sunflower is rare in the United States where it is native only to Arizona, southeast California and southern Nevada. The species thrives in mesas, plains, canyons, hillsides and sandy or gravelly soil in various habitats. Eriophyllum pringlei

Scientific Name: Eriophyllum pringlei
Common Name: Pringle's Wooly Sunflower
Also Called: Pringle’s Eriophyllum, Wooly Sunflower
Family: Asteraceae, Sunflower Family
Synonyms: (Actinolepis nivea, Eriophyllum multicaule var. pringlei)
Status: Native
Duration: Annual
Size: Up to 2 inches or so.
Growth Form: Forb/herb; stems more or less spreading; plants white-woolly.
Leaves: Green, light green; generally 3-lobed; margins rolled-under (revolute); faces woolly; alternate.
Flower Color: Golden yellow, flowers mostly sessile and solitary or in leafy clusters; flowers discoid only.
Flowering Season: March to May; February to July in California.
Elevation: 1,000 to 6,500 feet.

Habitat Preferences: Mesas, plains, canyons, hillsides, sandy or gravelly soil in various habitats; desert scrub, chaparral,sagebrush or woodland.

Recorded Range: Rare in the United States where it is native only to AZ, southeast CA and southern NV. Also native to Baja California and northern Mexico. Limited in distribution in Arizona to the central, southern and northwest parts of the state.

North America & US County Distribution Map for Eriophyllum pringlei.

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: In North America there are 13 species and 27 accepted taxa overall for Eriophyllum (includes genus Antheropeas). Worldwide, The Plant List includes 13 accepted species names and a further 52 of infraspecific rank for the genus.

In the Southwestern United States: Arizona has 5 species of genus, California has 13 species, Nevada has 5 species, New Mexico has 1 species, Texas has 0 species, Utah has 3 species. Statistics include genus Antheropeas. All data is approximate and subject to taxonomic changes.

Comments: Pringle's Woolly Sunflower is the only one of 3 species of Eriophyllum native to Arizona without ray florets. Pringle's Woolly Sunflower is partial to the Mohave Desert and Lower Colorado Basin area although it is native to both the Mojave and Sonoran Deserts. Although the Lower Colorado River Basin is a sub-division of the Sonoran desert it possess characteristics similar to the Mojave Desert.

In Southwest Desert Flora also see; White Woolly Daisy, Eriophyllum lanosum and Wallace Eriophyllum, Eriophyllum wallacei.

Date Profile Completed: 8/13/2012; Updated, 07/25/2015, updated 04/19/2017, updated format 10/10/2017
References:
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and Los Angeles
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database and USGS ITIS search - as Antheropeas wallacei (accessed 04/18/2017)
https://plants.usda.gov/java/ClassificationServlet?source=profile&symbol=ERIOP2&display=31
The Plant List (2013). Version 1.1. Published on the Internet; http://www.theplantlist.org/ (accessed 04/18/2017).
http://www.theplantlist.org/1.1/browse/A/Compositae/Eriophyllum/
John S. Mooring & Dale E. Johnson (annual species) 2017. Eriophyllum pringlei, in Jepson Flora Project (eds.) Jepson eFlora,
http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=2824, accessed on April 20, 2017.
Dale E. Johnson, John S. Mooring, FNA | Family List | FNA Vol. 21 | Asteraceae | Eriophyllum, Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 16+ vols. New York and Oxford.
SEINet for synonyms, scientific names and recorded geographic locations, http://swbiodiversity.org/seinet/- (accessed 04/19/2017).