Lupinus albifrons

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Lupinus albifrons
Lupinus albifrons.jpg
Status TNC G5.svg
Secure  (NatureServe) [1] [2]
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Lupinus
Species:
L. albifrons
Binomial name
Lupinus albifrons

Lupinus albifrons, silver lupine, white-leaf bush lupine, or evergreen lupine, is a species of lupine (lupin). It is native to California and Oregon, where it grows along the coast and in dry and open meadows, prairies and forest clearings. It is a member of several plant communities, including coastal sage scrub, chaparral, northern coastal scrub, foothill woodland, and yellow pine forest.

Description

Lupinus albifrons is a perennial shrub, taking up about 2 ft (0.61 m) of space and reaching 5 ft (1.5 m). It has a light blue to violet flower on 3–12 inches (7.6–30.5 cm) stalks. The leaves are silver with a feathery texture. [3] It grows in sandy to rocky places below 5,000 feet (1,500 m). [4]

Cultivation

This plant grows as a wildflower in the hills and valleys of California. It requires good drainage and needs little water once the roots are established.

Toxicity to livestock

The plant is deer-resistant due to the presence of the bitter-tasting alkaloid toxins anagyrine and lupinine. [5] Because of these toxins lupines can negatively affect livestock, causing birth defects and decreasing weight especially in young, inexperienced cattle. [5] When cows are under stress from lactating, especially in times of low forage availability, they will consume more lupine than usual. [5]

Mission blue butterfly

The federally endangered mission blue butterfly requires either Lupinus albifrons, Lupinus formosus and Lupinus variicolor , on which their larvae feed. [6] The butterfly becomes toxic itself when it feeds on the plant, leaving it with a bitter taste to deter predators.

Due to its potential danger to livestock, this lupine is removed from rangeland when possible, eliminating a crucial food plant from the butterfly's range[ citation needed ].

Infraspecific taxa

Lupinus albifrons has six different varieties, four of which occur only in California, the other two occur in both California and Oregon: [7]

Photos

Lupine seedling solstice fire site.JPG
A lupine seedling at the site of a 2004 California wildfire
Silver Lupine Blooming.jpg
Blooming silver lupine

See also

Related Research Articles

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<i>Eriogonum elongatum</i> Species of plant

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References

  1. "NatureServe Explorer Lupinus albifrons". NatureServe Explorer Lupinus albifrons. Arlington Virginia, United States of America: NatureServe. 2022-06-03. NatureServe Element Code:PDFAB2B060. Retrieved 23 Jun 2022.
  2. Faber-Langendoen, D; Nichols, J; Master, L; Snow, K; Tomaino, A; Bittman, R; Hammerson, G; Heidel, B; Ramsay, L; Teucher, A; Young, B (2012). NatureServe Conservation Status Assessments: Methodology for Assigning Ranks (PDF) (Report). Arlington, Virginia, United States of America: NatureServe.
  3. "Silver Lupine, Lupinus albifrons". calscape.org. Retrieved 2021-12-30.
  4. "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2021-12-30.
  5. 1 2 3 Effects of Experience and Lactation on Lupine Consumption by Cattle
  6. Essig Museum of Entomology
  7. Plant Profile, Silver Lupine, Natural Resources Conservation Service, U.S. Department of Agriculture
  8. https://www.calflora.org/app/taxon?crn=13568