Lupinus nanus, the sky lupine, field lupine, dwarf lupin, ocean-blue lupine[1] or Douglas' annual lupine, is a species of lupine native to the western United States. It is found natively in California, Nevada, and on Steens Mountain in eastern Oregon. It tends to grow on slopes[2] and in open or disturbed areas below 1300 meters.[3]
It grows 6 to 20 inches (15 to 51 cm) tall with blue flowers containing white or yellow spots. It is an annual plant that blooms in the months of March, April and May.[4]
It contains anagyrine[5] and is considered toxic if directly ingested.[6] Among the biologically active chemicals found in the plant are genistein, 2'-hydroxygenistein, luteone and wighteone.[7]
^"Lupinus nanus". www.wildflower.org. Lady Bird Johnson Wildflower Center - The University of Texas at Austin. Retrieved 21 June 2016.
^Fuller, Thomas C.; McClintock, Elizabeth May (1986). Poisonous Plants of California. University of California Press. p. 164. ISBN 9780520055698. lupinus nanus.
^"KNOW YOUR PLANTS!" (PDF). www.calpoison.org. California Poison Control System. Retrieved 21 June 2016.
^Bisby, Frank (18 August 1994). Phytochemical Dictionary of the Leguminosae. CRC Press. p. 437. ISBN 9780412397707.
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