Lupinus sparsiflorus, Coulter's Lupine
Scientific Name: Lupinus sparsiflorus
Common Name: Coulter's Lupine
Also Called: Mojave Lupine (Spanish: Chicharito, Trèbola, Altramuz, Lupino)
Family: Fabaceae or Leguminosae Family
Size: Up to 15 inches more or less.
Growth Form: Forb/herb; stems slender.
Leaves: Green; petiolate, leaflets 7 to 11, narrowly lanceolate or oblanceolate.
Flower Color: Blue, pinkish, whitish, drying darker; banner spot whitish and becoming magenta; fruit is a legume.
Flowering Season: June to May, earlier in California, March to May.
Elevation: Below 4,500 feet.
Habitat Preferences: Foothills, mesas, washes preferring sandy soils.
Recorded Range: In the United States, Coulter's Lupine is found in the southwest in: AZ, CA, NM, NV and UT. It is also native to Baja California and northern Mexico. In Arizona in found throughout most of the state with few records in the northwest quarter.
North America & US County Distribution Map for Lupinus sparsiflorus.
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.
4 sub-species in Lupinus sparsiflorus:
Lupinus sparsiflorus subsp. inopinatus, Coulter's Lupine (CA);
Lupinus sparsiflorus subsp. mohavensis, Coulter's Lupine, (Recorded Range above);
Lupinus sparsiflorus subsp. pondii, Pond's Mojave Lupine, (CA);
Lupinus sparsiflorus subsp. sparsiflorus, Coulter's Lupine, (CA).
The Plant List includes 1,229 scientific plant names of species rank for the genus Lupinus. Of these 626 are accepted species names.
Comments: Coulter's Lupine or Mojave Lupine as it is also called, is one of the most common Lupines where found in Arizona and in good rainfall years this species often blankets roadsides with their bright blue or violet color.