Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

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

Cirsium ochrocentrum, Yellowspine Thistle

Lupinus hillii, Hill's Lupine

Lupinus hillii, Hill's Lupine, Southwest Desert Flora Lupinus hillii, Hill's Lupine, Southwest Desert Flora Lupinus hillii, Hill's Lupine, Southwest Desert Flora Lupinus hillii, Hill's Lupine, Southwest Desert Flora Lupinus hillii, Hill's Lupine, Southwest Desert Flora

Scientific Name: Lupinus hillii
Common Name: Hill's Lupine
Also Called: Hill Lupine
Family: Fabaceae or Leguminosae Family
Synonyms: ()
Status: Native
Duration: Perennial
Size: Up to 2 feet more or less.
Growth Form: Forb/herb; stems erect or ascending stems glabrous.
Leaves: Green; alternate, petiolate, palmately compound, 5 to 11 foliate, leaflets 5 to 9, hairy.
Flower Color: Blue, lavender, purple or violet; flowers showy, zygomorphic, terminal spike, banner petal ovoid or obovate; fruit a legume.
Flowering Season: May to September.
Elevation: 6,000 to 9,000 feet.

Habitat Preferences: Pine forests.

Recorded Range: Relatively rare in the United States, Lupinus hillii is found in AZ, CO, NM and parts of NV. In Arizona it occurs in the northern and central parts of the state.

North America & US County Distribution Map for Lupinus hillii.

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.

3 varieties in Lupinus hillii:
Lupinus hillii var. arizonicus, Hill's Lupine, (AZ, NM);
Lupinus hillii var. hillii, Hill's Lupine, (AZ only);
Lupinus hillii var. osterhoutianus, Osterhout's Lupine, (AZ, NM).

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

Comments: Hills Lupinus is relatively rare in the United States where it is found in the Flagstaff area. The type specimen for Lupinus hillii was collected from Coconino National Forest.

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

Date Profile Completed: 08/26/2015, updated format 10/12/2017
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database and USGS ITIS search
North American Plant Atlas, The Biota of North America Program, North American Vascular Flora;(accessed 08/26/2015).
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 hillii, Hill's 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).
SEINet for synonyms, scientific names, recorded geographic locations and general information