Viola ocellata
{{short description|Species of flowering plant in the family Violaceae}}
{{Speciesbox
|image = Viola ocellata.jpg
|status = G4
|status_system = TNC
|status_ref = {{Cite NatureServe|date=6 December 2024|id=2.145238|title=Viola ocellata | NatureServe Explorer|access-date=23 December 2024}}
|genus = Viola (plant)
|species = ocellata
}}
Viola ocellata is a species of violet known by the common names pinto violet,{{cite web|url=http://www.botany.hawaii.edu/faculty/carr/ofp/vio_oce.htm|title=Oregon Flora Image Project|accessdate=May 21, 2018}} two-eyed violet,{{cite book|url=https://books.google.com/books?id=78FC6xQcNP8C&pg=PA52|author=Theodore F. Niehaus|author2=Charles L. Ripper|title=A Field Guide to Pacific States Wildflowers: Washington, Oregon, California and adjacent areas|page=52|year=1976|series=Peterson Field Guide|isbn=0-395-21624-9}} and western heart's ease.{{cite book|url=https://books.google.com/books?id=w0eYAgAAQBAJ&pg=PA314|author1=Linda H. Beidleman|author2=Eugene N. Kozloff|title=Plants of the San Francisco Bay Region: Mendocino to Monterey|publisher=University of California Press|orig-year=2003|year=2014|page=314|isbn=978-0-520-27859-2}} It is native to southern Oregon and northern and central California, where it occurs in the coastal foothills and mountain ranges. It sometimes grows in serpentine soils{{cite book|url=https://books.google.com/books?id=6OYDNTs4dpgC&pg=PA158|author=Arthur R. Kruckeberg|title=California Serpentines: Flora, Vegetation, Geology, Soils, and Management Problems|publisher=University of California Press|volume=78|year=1984|page=158|isbn=0-520-09701-7|lccn=83-18237}} and in quicksilver mines.{{cite report|url=https://books.google.com/books?id=imtAAAAAcAAJ&pg=PA68|title=Reports of Explorations and Surveys to Ascertain the Most Practical and Economical Route for a Railroad from the Mississippi River to the Pacific Ocean|year=1856|volume=4|page=68}}
Description
This rhizomatous herb produces a hairy erect or decumbent stem measuring {{convert|5|to|37|cm}} long. The leaves have heart-shaped or roughly lance-shaped blades borne on petioles a few centimeters long. A solitary flower is borne on a long, upright stem. It has five white petals with yellow bases, the lowest three veined with purple and the two lateral ones with purple eyespots. The inside of the flower has long hairs. The outer surfaces, at least of the two upper petals, is usually stained dark red or purple. It capsules are spherical and are {{convert|5|–|11|mm}} long while its peduncles are puberulent and are {{convert|1|–|10|cm}} long. The seeds of the plant are brownish-purple in colour and are {{convert|2|mm}} long. The rootstocks are often long and stolon-like.{{cite book|url=https://books.google.com/books?id=vjdSAQAAMAAJ&pg=PA141|title=Bulletin - Vermont Agricultural Experiment Station, issues 222-225|year=1921|page=141}}
Ecology
The species is a host plant of the butterfly Boloria epithore.{{cite book|url=https://books.google.com/books?id=Oa5m8gZcGjMC&pg=PA320|author=James A. Scott|title=The Butterflies of North America: A Natural History and Field Guide|publisher=Stanford University Press|year=1986|page=320|isbn=9780804720137}}
References
{{Reflist}}
External links
{{Commons category}}
{{Wikispecies}}
- [http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?7799,7800,7814 Jepson Manual Treatment]
- [http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Viola+ocellata Photo gallery]
{{Taxonbar|from=Q7933077}}
Category:Taxa named by Asa Gray
Category:Taxa named by John Torrey
{{Violaceae-stub}}