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Montana Field Guide

Montana Field Guides

Short-styled Columbine - Aquilegia brevistyla

Species of Concern

Global Rank: G5
State Rank: S2S3
* (see State Rank Reason below)

Agency Status
USFWS:
USFS: SENSITIVE
BLM:
MNPS Threat Rank:
C-value:

External Links






State Rank Reason (see State Rank above)
See rank details.
  • Details on Status Ranking and Review
    Short-styled Columbine (Aquilegia brevistyla) Conservation Status Review
    Review Date = 01/08/2013
    View State Conservation Rank Criteria
    Population Size

    Score2 - Small: Generally 2,000-10,000 individuals.

    CommentAdditional surveys are likely to find more occupied sites within the general area of the known occurrences.

    Range Extent

    Score3 - Local Endemic or Very Small Montana Range: Generally restricted to an area <10,000 sq. miles (equivalent to the combined area of Phillips and Valley Counties) or <6 Sub-basins (4th code watersheds) Range-wide OR limited to one Sub-basin in Montana

    CommentMontana populations are highly disjunct from the main portion of the species' range in Canada and Alaska.

    Area of Occupancy

    Score2 - Low: Generally occurring in 4-10 Subwatersheds (6th Code HUC’s).

    Environmental Specificity

    Score1 - Moderate: Species is restricted to a specific habitat that is more widely distributed or to several restricted habitats and is typically dependent upon relatively unaltered, good-quality habitat (C Values of 5-7).

    Trends

    ScoreNA - Rank factor not assessed.

    CommentTrends are unknown, though there is no indication that the species' has experienced significant declines in Montana. Habitat is generally stable.

    Threats

    Score0-1 - Low to Medium.

    CommentPotential threats to the species' viability or individual populations are likely either minor in severity or localized in scope.

    Intrinsic Vulnerability

    Score0-1 - Low to Moderate Vulnerability.

    Raw Conservation Status Score

    Score 8 to 10 total points scored out of a possible 16 (Rarity factors and threats only).

 
General Description
Short-styled Columbine is a slender, sparingly branched, perennial with stems up to 80 cm tall that are lightly pubescent below and glandular above. The basal leaves have long petioles with blades that are lobed and wavy-margined; the few-stemed leaves are lobed and nearly without petioles. The typical columbine flowers are 15-25 mm long with blue or purple reflexed sepals and yellowish-white, horn-shaped petals; the bluish spurs of the petals are curved inward at the tip and are 6-8 mm long. Stamens and styles barely protrude beyond the petals; the five-lobed seed capsules are pubescent.

Phenology
Flowering in June-early July.

Diagnostic Characteristics
This species can be distinguished from other blue-flowered columbines in Montana by the incurved tips of the petal spurs.

Species Range
Present
 


Range Comments
Eastern Alaska to Ontario south to British Columbia and southern Manitoba. Disjunct in eastern Montana and the Black Hills of South Dakota and Wyoming.


Summary of Observations Submitted for Montana
Number of Observations: 71

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Open woods and stream banks at mid-elevations in the montane zone.

Ecological Systems Associated with this Species

References
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Dawe, J. C. and D. F. Murray. 1981. Chromosome numbers of selected Alaskan vascular plants. Canadian Journal of Botany 59:1373-1381.
    • Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Mathews, S.Y. 1989. Sensitive plant surveys, 1989: U.S. Forest Service, Region 1, Gallatin National Forest, Montana. Unpublished report to the USDA Forest Service, Gallatin National Forest, Bozeman, Montana. Montana Natural Heritage Program, Helena, MT. 85 pp.
    • Roe, L.S. 1992. Status review of Aquilegia brevistyla, USDA Forest Service, Region 1, Lewis and Clark National Forest. Unpublished report. Montana Natural Heritage Program, Helena, MT. 47 pp.
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Citation for data on this website:
Short-styled Columbine — Aquilegia brevistyla.  Montana Field Guide.  .  Retrieved on , from