Calochortus longibarbatus

{{Short description|Species of flowering plant}}

{{Speciesbox

|image = Calochortus longibarbatus (longbeard mariposa lily) (6009702800).jpg

|genus = Calochortus

|species = longibarbatus

|authority = S.Wats.

|synonyms_ref =

|synonyms = *Calochortus longebarbatus S.Wats., alternate spelling[https://www.biodiversitylibrary.org/page/8781087#page/477/mode/1up Watson, Sereno 1882. Proceedings of the American Academy of Arts and Sciences 17: 381][http://www.iapt-taxon.org/nomen/main.php?page=art60 International Code of Nomenclature for algae, fungi, and plants (Melbourne Code)] see Article 60.2

|}}

Calochortus longibarbatus is a species of flowering plant in the lily family with the common names long-haired star-tulip and longbeard mariposa lily. It is native to Oregon, Washington, and northern California, where it grows in the forest and woodlands of the mountains.Gerritsen, M.E. & Parsons, R. (2007). Calochortus: Mariposa lilies & their relatives: 1-232. Timber press, Inc. Portland, U.S.A.[http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=9747 Calflora taxon report, Calochortus longebarbatus S. Watson longbeard mariposa lily ]{{Cite web |url=http://bison.usgs.ornl.gov//index.html?ITIS=itis&scientificName=Calochortus+longebarbatus#home |title=U.S. Geological Survey, Biodiversity Information Serving Our Nation (BISON) - U.S. species occurrence data & maps, Calochortus longebarbatus |access-date=2015-05-06 |archive-url=https://web.archive.org/web/20150518064545/http://bison.usgs.ornl.gov//index.html?ITIS=itis&scientificName=Calochortus+longebarbatus#home |archive-date=2015-05-18 |url-status=dead }}

It is a bulb-producing perennial herb which produces a branching stem up to about 30 centimeters tall. Flowers are upright, bell-shaped, pink to lavender with darker markings on the petals.[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242101476 Flora of North America, Vol. 26 Page 126, Calochortus longebarbatus S. Watson ][http://bonap.net/MapGallery/County/Calochortus%20longebarbatus.png Biota of North America Program 2014 county distribution map, Calochortus longebarbatus ]

;Varieties[http://apps.kew.org/wcsp/namedetail.do?name_id=301711 Kew World Checklist of Selected Plant Families, Calochortus longibarbatus S.Watson]

• Calochortus longibarbatus var. longibarbatus - most of species range
• Calochortus longibarbatus var. peckii Ownbey - Ochoco Mountains in central Oregon