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Montana Field Guide

Montana Field Guides

Sugarbowls - Clematis hirsutissima
Other Names:  Clustered Leather-flower

Native Species

Global Rank: G4
State Rank: S4
* (see State Rank Reason below)

Agency Status
MNPS Threat Rank:

External Links

State Rank Reason (see State Rank above)
Widespread in central and western Montana.
  • Details on Status Ranking and Review
    Sugarbowls (Clematis hirsutissima) Conservation Status Review
    Review Date =
General Description
Stems erect, 15–50 cm at maturity. Leaves opposite, long-hairy; blades 2 to 3 times pinnately divided into linear segments <5 mm wide. Flowers urn-shaped, perfect, nodding, solitary, terminal; sepals violet, 20–45 mm long, tips recurved. Achene beaks 2–6 cm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
WA to MT, south to AZ, NM and OK (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 184

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



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

Open woods to mesic grasslands at mid elevations.

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Citation for data on this website:
Sugarbowls — Clematis hirsutissima.  Montana Field Guide.  .  Retrieved on , from