Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

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

Cirsium ochrocentrum, Yellowspine Thistle

Lupinus arizonicus, Arizona Lupine

Lupinus arizonicus, Arizona Lupine, Southwest Desert Flora Lupinus arizonicus, Arizona Lupine, Southwest Desert Flora Lupinus arizonicus, Arizona Lupine, Southwest Desert Flora Lupinus arizonicus, Arizona Lupine, Southwest Desert Flora

Scientific Name: Lupinus arizonicus
Common Name: Arizona Lupine
Also Called: (Spanish: Trèbola, Altramuz, Lupino)
Family: Fabaceae or Leguminosae Family
Synonyms: ()
Status: Native
Duration: Annual
Size: Up to 20 inches more or less.
Growth Form: Forb/herb; stems erect or spreading, stems generally glabrous
Leaves: Green; alternate, compound, petiolate, palmate, 5 to 11 foliate, leaflets 5 to 9, margins entire, up to 2 or more inches long, leaf adaxial surface glabrous.
Flower Color: Pink or magenta, drying violet, blue-purple or whitish; flowers showy and color variable; banner spot yellowish, becoming darker magenta, inflorescence is a tall spike with 20 to 50 terminal flowers, fruit a dehiscent legume.
Flowering Season: January to May, March to May in California.
Elevation: Below 3,000 feet.

Habitat Preferences: Sandy washes and open areas.

Recorded Range: AZ, CA and NV. Baja California and northwestern Mexico.

North America & US County Distribution Map for Lupinus arizonicus.

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

Genus Information: More than 150 species in Lupinus in the United States, Canada and Mexico. Approximately 25 species in Arizona.

5 varieties and sub-species in Lupinus arizonicus:
Lupinus arizonicus subsp. arizonicus, Arizona Lupine (Recorded Range above);
Lupinus arizonicus var. arizonicus, Arizona Lupine (AZ, NV);
Lupinus arizonicus var. barbatulus, Arizona Lupine (AZ, CA);
Lupinus arizonicus subsp. setosissimus, Arizona Lupine (AZ, CA)
Lupinus arizonicus subsp. sonorensis, Sonora Lupine (AZ only).

The Plant List includes 1,229 scientific plant names of species rank for the genus Lupinus. Of these 626 are accepted species names.

Comments: Arizona Lupine is one of several Lupines and is not limited in distribution to Arizona. It is also found in California and parts of Nevada. In southern California, this Lupine is San Diego County's most common Lupine and it is also common around Joshua Tree National Park and Death Valley National Park in California.

Also see in Southwest Desert Flora; Bajada Lupine, Lupinus concinnus; Hill's Lupine, Lupinus hillii and Coulter's Lupine, Lupinus sparsiflorus.

Date Profile Completed: 08/25/2015, updated 09/14/2015, updated format 10/12/2017
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database and USGS ITIS search
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and Los Angeles, California.
Dr. David Bogler Source: USDA NRCS PLANTS Database. "Lupinus arizonicus, Arizona Lupine." Encyclopedia of Life, available from Accessed 08/25/2015.
The Plant List (2013). Version 1.1. Published on the Internet; (accessed 08/25/2015).
1993, The Jepson Manual, Citation: (accessed 08/25/2015)
SEINet for synonyms, scientific names, recorded geographic locations and general information
Wikipedia contributors, 'Lupinus arizonicus', Wikipedia, The Free Encyclopedia, 22 March 2015, 06:20 UTC, [accessed 25 August 2015]
Anza-Borrego Desert Natural History Association: Your Guide to Borrego Springs & Anza-Borrego Desert[accessed 25 August 2015]