Aquilegia laramiensis

A. Nels.

Laramie Columbine

G2Imperiled (G2G3) Found in 2 roadless areas NatureServe Explorer →
G2ImperiledGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.158685
Element CodePDRAN050E0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderRanunculales
FamilyRanunculaceae
GenusAquilegia
Other Common Names
Laramie columbine (EN)
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 v3.0
Review Date2012-08-24
Change Date2012-08-24
Edition Date2012-08-24
Edition AuthorsOliver, L., Walter Fertig, rev. B. Heidel (2012)
Range Extent250-1000 square km (about 100-400 square miles)
Number of Occurrences21 - 80
Rank Reasons
Until 2003, only 12 occurrences of this species were known, and since then, surveys of suitable habitat have been conducted and many more occurrences were discovered, for a total of 43. Aquilegia laramiensis is endemic to the Laramie Range in Wyoming and only is found in shaded spots of mostly granitic outcrops. Theses shaded microsites are typically crevices, the bases of rock outcrops, soil pockets and ledges. Threats to the species are not extensive given the difficulty in accessing the habitat. There are a number of potential threats though, including collection for the garden trade, extirpation from private lands, fire and most significantly climate change. Little information about this species' biology (reproductive, community, pollination, and other areas) is known and more research is needed to draw more specific conclusions about how to best manage and conserve the species.
Range Extent Comments
Endemic to the Laramie Range of southeast Wyoming (Albany and Converse counties).
Occurrences Comments
There are 43 documented occurrences of this species (Marriott and Pokorny 2006), most relocated since 2003 (last observed in 2010) and 2 historical records (most recently in 1926). In 2012, 49 extant occurrences were recorded by the Wyoming Natural Diversity Database.
Threat Impact Comments
Most populations are unthreatened at present due to their rugged and difficult to access habitat. Populations near trails and campgrounds could be threatened by over-collection for garden use, but this is a potential threat and not one observed. Intentional extirpation from individuals who own private land where this species occurs is also a potential threat, however, as of 2006 some landowners expressed positive interest in the plant (Marriott and Pokorny 2006). Fire may be a concern at a few sites where shade is provided by trees, or if severe crown-fire ignites all organic material in the landscape, but most populations are on rock outcrops with little fuel. Finally, climate change could be a threat to this species (Marriott and Pokorny 2006), in addition to grazing, trampling and off road vehicles (pers. comm. B. Heidel 2012).
Ecology & Habitat

Habitat

Shady crevices and ledges in large Precambrian granite boulders or cliffs with thin soils. Typically found within forests of Abies lasiocarpa/Pinus ponderosa or Pinus ponderosa/Populus tremuloides. Some of the largest occurrences occur on ridgecrests with large rock outcrops. This species is found in microsite shaded areas within the larger rock outcrop. These microsites include shaded ledges, crevices, soil pockets, and bases of the outcrops (Marriott and Pokorny 2006).

Reproduction

Blooms from early June to late July (Marriott and Pokorny 2006).
Terrestrial Habitats
Forest/WoodlandForest - ConiferForest - MixedBare rock/talus/screeCliff
Other Nations (1)
United StatesN2
ProvinceRankNative
WyomingS2Yes
Plant Characteristics
DurationPERENNIAL
Economic Value (Genus)No
Roadless Areas (2)
Wyoming (2)
AreaForestAcres
Cow Creek MountainMedicine Bow-Routt National Forest8,276
Laramie PeakMedicine Bow-Routt National Forest28,608
References (7)
  1. Dorn, R.D. 1977. Manual of the vascular plants of Wyoming. 2 vols. Garland Publishing, Incorporated, New York. 1498 pp.
  2. Fertig, W., C. Refsdal, and J. Whipple. 1994. Wyoming rare plant field guide. Wyoming Rare Plant Technical Committee, Cheyenne. No pagination.
  3. Flora of North America Editorial Committee (FNA). 1997. Flora of North America north of Mexico. Vol. 3. Magnoliophyta: Magnoliidae and Hamamelidae. Oxford Univ. Press, New York. xxiii + 590 pp.
  4. Heidel, Bonnie. Personal Communication. Lead Botanist. Wyoming Natural Diversity Database. University of Wyoming, Laramie, WY
  5. 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.
  6. Marriott, H., and M. L. Pokorny. (2006a, January 20). <i>Aquilegia laramiensis</i> A. Nelson (Laramie columbine): A technical conservation assessment. [Online]. USDA Forest Service, Rocky Mountain Region. Available: http://www.fs.fed.us/r2/projects/scp/assessments/aleteshumilis.pdf [August 24, 2012].
  7. Munz, P.A. 1946. Aquilegia: the cultivated and wild columbines. Gentes Herbarum 7: 1-150.