Polanisia jamesii

{{Short description|Species of flowering plant}}

{{speciesbox

| image = Polanisia jamesii.jpg

| status = {{TNCStatus}}

| status_system = TNC

| status_ref = {{cite web |last1=NatureServe |title=Polanisia jamesii |url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.161355/Polanisia_jamesii |access-date=1 February 2024 |location=Arlington, Virginia |date=2024}}

| genus = Polanisia

| species = jamesii

| authority = (Torr. & A. Gray) Iltis

| synonyms = *Cristatella jamesii Torr. & A. Gray

• Cyrbasium jamesii (Torr. & A. Gray) Endl. ex Walp.

| synonyms_ref = [http://tropicos.info/Name/5900323?tab=synonyms Tropicos][http://www.theplantlist.org/tpl1.1/record/kew-2409558 The Plant List]

}}

Polanisia jamesii, common name James's clammyweed, is a plant species native to the central part of the United States. It is reported from Minnesota, Wisconsin, Ohio, Indiana, Illinois, Iowa, South Dakota, Nebraska, Colorado, New Mexico, Texas and Oklahoma. It generally prefers sandy, disturbed soils.[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250094734 Flora of North America v 7 p 203] The species is considered locally endangered within the state of Minnesota.[http://www.dnr.state.mn.us/rsg/profile.html?action=elementDetail&selectedElement=PDCPP08030 Minnesota Department of Natural Resources] The species is also considered locally endangered within the state of Illinois.[https://www.dnr.illinois.gov/ESPB/Documents/2015_ChecklistFINAL_for_webpage_051915.pdf Illinois Endangered Species Protection Board]

Polanisia jamesii is an annual herb with branched stems, producing pale yellow flowers on a terminal raceme.Iltis, Hugh H. 1958. Studies in the Capparidaceae. IV. Polanisia Raf. Brittonia 10: 33-58.