Crepis modocensis
{{Short description|Species of flowering plant}}
{{Speciesbox
|image = Crepis_modocensis_9235.JPG
|image_caption = Crepis modocensis in Wenas Wildlife Area
|status = {{TNCStatus}}
|status_system = TNC
|genus = Crepis
|species = modocensis
|authority = E. Greene
|synonyms_ref = [http://www.theplantlist.org/tpl1.1/record/gcc-656 The Plant List, Crepis modocensis Greene ]
|synonyms =
- Crepis scopulorum Coville
- Psilochenia modocensis (Greene) W.A.Weber
- Crepis glareosa Piper, syn of subsp. glareosa
- Crepis rostrata Coville, syn of subsp. rostrata
- Crepis subacaulis (Kellogg) Coville, syn of subsp. rostrata
}}
Crepis modocensis is a species of flowering plant in the family Asteraceae known by the common name Modoc hawksbeard.
It is native to western North America (British Columbia, Washington, Oregon, California, Nevada, Utah, Idaho, Montana, Wyoming, Colorado), where it grows in several types of mountain and plateau habitat, including sagebrush.[http://bonap.net/MapGallery/County/Crepis%20modocensis.png Biota of North America Program 2014 county distribution map][http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=2419 Calflora taxon report, University of California, Crepis modocensis E. Greene, Modoc hawksbeard ] It typically prefers rocky soil.{{Cite book|last=Taylor|first=Ronald J.|url=https://www.worldcat.org/oclc/25708726|title=Sagebrush Country: A Wildflower Sanctuary|publisher=Mountain Press Pub. Co|year=1994|isbn=0-87842-280-3|edition=rev.|location=Missoula, MT|pages=162|language=en|oclc=25708726|orig-year=1992}}
The species name is from the Modoc Plateau, in the northeast California range.
Description
File:Crepis_modocensis_9233.JPG are large with 10 to 60 ray florets.]]
Crepis modocensis is a perennial herb growing an erect stem up to 45 centimeters (18 inches) tall and often lined with long bristles. The woolly and sometimes bristly leaves are dark-veined and edged with blunt and sharp lobes. The longest leaves at the base of the plant reach about 25 centimeters (10 inches) long.
The inflorescence bears one to ten flower heads about {{Convert|5|cm|abbr=on|frac=4}} in diameter with rough or bristly phyllaries and up to 60 yellow ray florets but no disc florets.
The fruit is an achene around a centimeter long which is black, sometimes green or red tinted, and sports a tufty white pappus.[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066446 Flora of North America, Crepis modocensis]
- Crepis modocensis subsp. glareosa (Piper) Babc. & Stebbins – Kittitas County in Washington
- Crepis modocensis subsp. modocensis – most of species range
- Crepis modocensis subsp. rostrata (Coville) Babc. & Stebbins – British Columbia, Washington
- Crepis modocensis subsp. subacaulis (Kellogg) Babc. & Stebbins – California, Montana, Nevada, Oregon
C. modocensis may have hybridized with Crepis atribarba to produce Crepis barbigera, the head size of which is intermediate between its prospective parent species.
References
{{Reflist}}
External links
- [http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=2419 Calflora Database: Crepis modocensis (Modoc hawksbeard)]
- [http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=2404 Jepson Manual eFlora (TJM2) treatment of Crepis modocensis]
- [http://plants.usda.gov/java/profile?symbol=CRMO4 USDA Plants Profile for Crepis modocensis (Modoc hawksbeard)]
- [http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Crepis+modocensis UC CalPhotos gallery of Crepis modocensis]
- {{Commons category-inline}}
{{Taxonbar|from=Q280867}}
Category:Flora of the Northwestern United States
Category:Flora of British Columbia
Category:Flora of the Great Basin
Category:Flora of the Sierra Nevada (United States)
Category:Plants described in 1895
Category:Taxa named by Edward Lee Greene
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