Erythronium helenae: Difference between revisions
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|species = '''''E. helenae''''' |
|species = '''''E. helenae''''' |
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|binomial = ''Erythronium helenae'' |
|binomial = ''Erythronium helenae'' |
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|image_caption= '''''Erythronium helenae''''' |
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|binomial_authority = [[Elmer Ivan Applegate|Applegate]] |
|binomial_authority = [[Elmer Ivan Applegate|Applegate]] |
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'''''Erythronium helenae''''' is a species of flowering plant in the [[Liliaceae|lily family]] which is known by the common names '''Pacific fawn lily''' and '''St. Helena fawn lily'''. It is [[Endemism|endemic]] to the coastal mountains north of the [[San Francisco Bay Area]] in [[California]]. It is named for the local peak [[Mount Saint Helena]], forming the point where [[Napa County, California|Napa]], [[Sonoma County, California|Sonoma]] and [[Lake County, California|Lake Counties]] meet. It grows on the slopes of the mountain at elevations of 500–1200 m, often on [[serpentine soils]].<ref>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242101593 Flora of North America v 26 p 160]</ref> |
'''''Erythronium helenae''''' is a species of flowering plant in the [[Liliaceae|lily family]] which is known by the common names '''Pacific fawn lily''' and '''St. Helena fawn lily'''.<ref>[http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?8349,8546,8550 Jepson Manual Treatment: ''Erythronium helenae'']</ref> It is [[Endemism|endemic]] to the coastal mountains north of the [[San Francisco Bay Area]] in [[California]].<ref>[http://plants.usda.gov/java/profile?symbol=ERHE6 United States Department of Agriculture Plants Profile]</ref> It is named for the local peak [[Mount Saint Helena]], forming the point where [[Napa County, California|Napa]], [[Sonoma County, California|Sonoma]] and [[Lake County, California|Lake Counties]] meet. It grows on the slopes of the mountain at elevations of 500–1200 m, often on [[serpentine soils]].<ref>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242101593 Flora of North America v 26 p 160 ''Erythronium helenae'']</ref><ref>[http://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Erythronium+helenae Calflora taxon report, ''Erythronium helenae'' ]</ref> |
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''Erythronium helenae'' grows from a [[bulb]] 3 to 5 centimeters wide and produces two wide leaves up to 20 centimeters long which are green mottled with brown or white. It produces erect stalks up to 30 centimeters tall, each bearing one to three flowers. The flower has white [[tepal]]s with yellowish bases 3 or 4 centimeters long. The [[tepals]] develop pink or purple streaks or mottling as they age. The flower has yellow [[stamen]]s with large yellow anthers.<ref>Applegate, Elmer Ivan. 1933. Contributions from the Dudley Herbarium 1(5): 188–189.</ref><ref>Hickman, J. C. 1993. The Jepson Manual: Higher Plants of California 1–1400. University of California Press, Berkeley.</ref> |
''Erythronium helenae'' grows from a [[bulb]] 3 to 5 centimeters wide and produces two wide leaves up to 20 centimeters long which are green mottled with brown or white. It produces erect stalks up to 30 centimeters tall, each bearing one to three flowers. The flower has white [[tepal]]s with yellowish bases 3 or 4 centimeters long. The [[tepals]] develop pink or purple streaks or mottling as they age. The flower has yellow [[stamen]]s with large yellow anthers.<ref>Applegate, Elmer Ivan. 1933. Contributions from the Dudley Herbarium 1(5): 188–189.</ref><ref>Hickman, J. C. 1993. The Jepson Manual: Higher Plants of California 1–1400. University of California Press, Berkeley.</ref> |
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==External links== |
==External links== |
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*[http:// |
*[http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Erythronium+helenae ''Erythronium helenae'' — Calphotos Photo gallery] |
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*[http://plants.usda.gov/java/profile?symbol=ERHE6 USDA Plants Profile] |
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*[http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Erythronium+helenae ''Erythronium helenae'' — Photo gallery] |
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[[Category:Erythronium|helenae]] |
[[Category:Erythronium|helenae]] |
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[[Category:Endemic flora of California]] |
[[Category:Endemic flora of California]] |
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[[Category:Flora of California]] |
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[[Category:Natural history of the California Coast Ranges]] |
[[Category:Natural history of the California Coast Ranges]] |
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[[Category:Plants described in 1933]] |
[[Category:Plants described in 1933]] |
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Revision as of 22:02, 19 April 2015
| St. Helena fawn lily | |
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| Erythronium helenae | |
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| Species: | E. helenae
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| Binomial name | |
| Erythronium helenae | |
Erythronium helenae is a species of flowering plant in the lily family which is known by the common names Pacific fawn lily and St. Helena fawn lily.[1] It is endemic to the coastal mountains north of the San Francisco Bay Area in California.[2] It is named for the local peak Mount Saint Helena, forming the point where Napa, Sonoma and Lake Counties meet. It grows on the slopes of the mountain at elevations of 500–1200 m, often on serpentine soils.[3][4]
Erythronium helenae grows from a bulb 3 to 5 centimeters wide and produces two wide leaves up to 20 centimeters long which are green mottled with brown or white. It produces erect stalks up to 30 centimeters tall, each bearing one to three flowers. The flower has white tepals with yellowish bases 3 or 4 centimeters long. The tepals develop pink or purple streaks or mottling as they age. The flower has yellow stamens with large yellow anthers.[5][6]
References
- ^ Jepson Manual Treatment: Erythronium helenae
- ^ United States Department of Agriculture Plants Profile
- ^ Flora of North America v 26 p 160 Erythronium helenae
- ^ Calflora taxon report, Erythronium helenae
- ^ Applegate, Elmer Ivan. 1933. Contributions from the Dudley Herbarium 1(5): 188–189.
- ^ Hickman, J. C. 1993. The Jepson Manual: Higher Plants of California 1–1400. University of California Press, Berkeley.
External links
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