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Montana Field Guide

Montana Field Guides

Trailing Black Currant - Ribes laxiflorum

Species of Concern
Native Species

Global Rank: G5
State Rank: S2?
* (see State Rank Reason below)

Agency Status
MNPS Threat Rank:

External Links

State Rank Reason (see State Rank above)
Rare in Montana, where it is known from a single collection from Lincoln County. The documented population does not appear to be at risk. Additional data are needed.
  • Details on Status Ranking and Review
    Trailing Black Currant (Ribes laxiflorum) Conservation Status Review
    Review Date =
General Description
Trailing Black Currant is a prostrate to upright shrub usually less than 1 m high, with branches that may be pubescent when young but become smooth and deep reddish-brown. Leaves are mostly 4-8 cm across and usually wider than long, and 5-lobed nearly half the length. Infloresences are loosely 8-18 flowered, erect or ascending, and copiously pubescent with stalked glands throughout. Flowers are shallowly bowl-shaped, with a pubescent calyx that is greenish-white too deep red or purplish, and petals that are red to purplish. The berry is purplish-black and glandular-bristly.

Possibly flowering in May, fruit persisting through summer.

Diagnostic Characteristics
Distinguished from the other species of Ribes that lack spines and bristles by the saucer-shaped base of the flower and glandular fruit.

Species Range

Range Comments
AK south to CA, ID, MT. Known from Lincoln County (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 3

(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)

Rocky montane shrubland slopes.

Ecological Systems Associated with this Species

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Citation for data on this website:
Trailing Black Currant — Ribes laxiflorum.  Montana Field Guide.  .  Retrieved on , from