{{Short description|Species of legume}} {{Speciesbox |image = Lupinus microcarpus microcarpus.jpg |image_caption = ''Lupinus microcarpus'' var. ''microcarpus'' |genus = Lupinus |species = microcarpus |authority = Sims |synonyms = |}}
'''''Lupinus microcarpus''''', the '''wide-bannered lupine''' or '''chick lupine''', is a species of lupine native to western North America from southwestern British Columbia south through Oregon and California, including the Mojave Desert, and into Baja California. There is also a disjunct population in South America, with locations in central Chile and western Argentina.
==Description== ''Lupinus microcarpus'' is an annual plant growing to {{convert|80|cm|in|adj=on}} tall. The leaves are palmately compound with 5-11 leaflets {{convert|1|cm|in|adj=on}}–{{convert|5|cm|in|adj=on}} long and up to {{convert|1|cm|in|adj=on}} broad.
The flowers are generally pink to purple in color, but can also be between white and yellow; they are produced in open whorls on an erect spike.
''Lupinus microcarpus'' grows from sea level in the north of its range, up to {{convert|1600|m|ft|adj=on}} high in Southern California.
thumb|200px|''Lupinus microcarpus'' var. ''densiflorus''
==Varieties== There are three named botanical varieties: *''Lupinus microcarpus'' var. ''densiflorus'' - '''whitewhorl lupine'''<ref>{{PLANTS|id=LUDE2|taxon=Lupinus densiflorus|accessdate=24 June 2015}}</ref> or '''dense-flowered lupine'''. Endemic and restricted to western California (formerly ''Lupinus densiflorus'').<ref>[http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?3691,4023,4103,4104 Jepson Manual treatment for LUPINUS microcarpus var. densiflorus] . accessed 10.21.2011</ref> *''Lupinus microcarpus'' var. ''horizontalis''. Endemic and restricted to southeastern California deserts.<ref>[http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?3691,4023,4103,4105 Jepson Manual treatment for LUPINUS microcarpus var. horizontalis] . accessed 10.21.2011</ref> *''Lupinus microcarpus'' var. ''microcarpus''. Widespread, British Columbia to Chile.<ref>[http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?3691,4023,4103,4106 Jepson Manual treatment for LUPINUS microcarpus var. microcarpus] . accessed 10.21.2011</ref>
==Phytoremediation waste management== Chilean scientists (Universidad de Santiago de Chile) studying phytoremediation waste management in the city of Antofagasta, discovered that plants are capable of absorbing arsenic from the soil.{{citation needed|date=February 2013}}
==References== {{Reflist}} *Mojave Desert Wildflowers, Jon Mark Stewart, 1998, pg. 137 *[http://www.usachaldia.cl/index.php?option=com_content&view=article&id=5245:cientificos-usach-descubren-planta-que-absorbe-arsenico-en-tierras-altamente-contaminadas&catid=42:categoria-ciencia-y-tecnologia&Itemid=111 Chilean Scientists use the plant for wastes' Phytoremediation clean-up management of soils.]
==External links== {{Commons category|Lupinus microcarpus}} *[https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=32094 Jepson Herbarium treatment for ''Lupinus microcarpus''] *[http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-lifeform=any&rel-taxon=contains&where-taxon=Lupinus+microcarpus&rel-namesoup=matchphrase&where-namesoup=&rel-location=matchphrase&where-location=&rel-county=eq&where-county=any&rel-state=eq&where-state=any&rel-country=eq&where-country=any&where-collectn=any&rel-photographer=contains&where-photographer=&rel-kwid=equals&where-kwid=&max_rows=24 U.C. Photo gallery]
{{Taxonbar|from=Q6704779}}
microcarpus Category:Flora of British Columbia Category:Flora of the West Coast of the United States Category:Flora of Washington (state) Category:Flora of Oregon Category:Flora of California Category:Flora of Baja California Category:Flora of Argentina Category:Flora of Chile Category:Flora of the California desert regions Category:Flora of the Sierra Nevada (United States) Category:Garden plants of North America Category:Garden plants of South America Category:Phytoremediation plants Category:Flora without expected TNC conservation status