Calochortus coeruleus

{{Short description|Species of flowering plant}}

{{Speciesbox

| image = Calochortus coeruleus - Flickr. 003.jpg

| genus = Calochortus

| species = coeruleus

| authority = (Kellogg) S.Wats.[https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=42842 ITIS Standard Report Page: Calochortus coeruleus][http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=16719 Jepson: Calochortus caeruleus ]. accessed 4.15.2015[http://plants.usda.gov/java/profile?symbol=CACA98 USDA: Calochortus caeruleus]. accessed 4.15.2015[http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=1277 Calflora: Calochortus caeruleus] . accessed 4.15.2015

|synonyms_ref=[http://apps.kew.org/wcsp/synonomy.do?name_id=301643 Kew World Checklist of Selected Plant Families]

| synonyms =

• Calochortus caeruleus common misspelling[https://www.biodiversitylibrary.org/page/8714556#page/273/mode/1up Watson, Sereno 1879 Proceedings of the American Academy of Arts and Sciences 14: 263] as Calochortus caeruleus
• Cyclobothra coerulea Kellogg[https://www.biodiversitylibrary.org/page/3836928#page/18/mode/1up Kellogg, Albert 1863. Proceedings of the California Academy of Sciences 2: 4]
• Cyclobothra elegans Torr.Torr. 1857, illegitimate homonym not (Pursh) Benth. ex Lindl. 1834 nor (Pursh) Benth. 1835[http://www.tropicos.org/NameSearch.aspx?name=Cyclobothra+elegans&commonname= Tropicos, search for Cyclobothra elegans]
• Calochortus maweanus Leichtlin ex Baker
• Cyclobothra maweama (Leichtlin ex Baker) Tubergen
• Calochortus coeruleus var. maweanus (Leichtlin ex Baker) Jeps.
• Calochortus coeruleus var. fimbriatus Ownbey

| status = G3

| status_system = TNC

| status_ref = {{cite web | url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.134531 | title=NatureServe Explorer 2.0 }}

}}

Calochortus coeruleus, often misspelled as Calochortus caeruleus,[https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=565041 ITIS Report: Orthographic variant, Calochortus caeruleus] is a bulbous plant of the lily family. It is known by the common name beavertail grass or blue star tulip.[http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=1277 Calflora taxon report, Calochortus coeruleus (Kellogg) S. Watson blue star tulip ]