Roadless Areas
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Oreonana purpurascens

Shevock & Constance

Purple Mountain-parsley

G3Vulnerable Found in 4 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
MediumThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.157302
Element CodePDAPI1G020
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderApiales
FamilyApiaceae
GenusOreonana
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Conservation Status
Rank MethodLegacy Rank calculation - Excel v3.1x
Review Date2016-08-09
Change Date2016-08-09
Edition Date2016-08-09
Edition AuthorsGries, D., rev. G. Davis (2012), rev. R. Bittman (2016)
Threat ImpactMedium
Range Extent250-1000 square km (about 100-400 square miles)
Number of Occurrences21 - 80
Rank Reasons
Oreonana purpurascens is endemic to Tulare County, California; the species is known from twenty five occurrences comprising about 10,000 individuals. The plant occurs on open metamorphic ridge tops in Red Fir forests at 2625-2790 m, a habitat that appears to favor dispersal by wind and gravity. Threats to this plant are road construction, logging, trampling, recreational activities, and grazing.
Range Extent Comments
Endemic to Tulare County, California (California Department of Fish and Game 1997).
Occurrences Comments
Known from 25 occurrences (CNDDB 2016).
Threat Impact Comments
Threats include logging and roads, trampling, recreational activities, and grazing (California Department of Fish and Game 1997; CNDDB 2016).
Ecology & Habitat

Habitat

Subalpine coniferous forest, upper montane coniferous forest, broadleafed upland forest. Occurs on open, metamorphic ridgetops in red fir forests, a habitat that appears to favor dispersal by wind and gravity; 2360-2900 m (California Department of Fish and Game 1997). Ridgetops, generally on metamorphic rocks, in red-fir or lodgepole-pine forests; Elevation: 2375-2860 m (Jepson FloraProject 2017).
Terrestrial Habitats
Forest - ConiferForest - Mixed
Other Nations (1)
United StatesN3
ProvinceRankNative
CaliforniaS3Yes
Threat Assessments
ThreatScopeSeverityTiming
2 - Agriculture & aquaculture———
2.3 - Livestock farming & ranching———
4 - Transportation & service corridors———
4.1 - Roads & railroads———
5 - Biological resource use———
5.3 - Logging & wood harvesting———
6 - Human intrusions & disturbance———
6.1 - Recreational activities———

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Plant Characteristics
Economic Value (Genus)No
Roadless Areas (4)
California (4)
AreaForestAcres
Kings RiverSierra National Forest52,999
RinconSequoia National Forest54,610
Slate Mtn.Sequoia National Forest12,299
WoodpeckerSequoia National Forest11,936
References (6)
  1. California Department of Fish and Game. 1997. RareFind 2 personal computer program. Information dated March 1999. Sacramento, California.
  2. California Natural Diversity Database (CNDDB). 2016. RareFind Version 5.1.1. California Department of Fish and Game, Sacramento.
  3. Jepson Flora Project (eds.) 2015. Jepson Online Interchange for California Floristics. Accessed online: http://ucjeps.berkeley.edu/interchange/
  4. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  5. Shevock, J.R., and L. Constance. 1979. A new species of Oreonana, a genus of snow-adapted Umbelliferae. Madrono 26(3):128-134.
  6. Skinner, M.W., and B.M. Pavlik, eds. 1997 (1994). Inventory of rare and endangered vascular plants of California. 1997 Electronic Inventory Update of 1994 5th edition, California Native Plant Society, Special Publication No. 1, Sacramento.