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Montana Field Guide

Montana Field Guides

Purple Avens - Geum rivale

Native Species

Global Rank: G5
State Rank: SNR
C-value: 7

Agency Status


External Links

General Description
Stems erect or ascending, 25–80 cm, sparsely hirsute below. Leaf blades oblong, hirsute, 8–20 cm long, divided into 2 to 6 ovate, dentate main lateral leaflets; the terminal leaflet cuneate-ovate, lobed. Inflorescence an open, leafy-bracteate cyme. Flowers ascending to nodding; hypanthium cup-shaped; sepals purple, 7–11 mm long, erect; petals pinkish with purple veins, 6–10 mm long. Achenes 3–4 mm long, long-hairy; persistent style 8–12 mm long, long-hairy and glandular below; the deciduous, spreading upper portion hirsute (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
Circumboreal south to WA, NM, IN and NJ (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 103

(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)

Wet soil of meadows, thickets, fens, marshes, spruce forest; valleys, montane (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Fultz, J.E. 2005. Effects of shelterwood management on flower-visiting insects and their floral resources. M.Sc. Thesis. Bozeman, MT: Montana State University. 163 p.
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
    • Stoecker, R.E. 1967. A population study of five species of small rodents in the Bridger Mountains of Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 32 p.
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Citation for data on this website:
Purple Avens — Geum rivale.  Montana Field Guide.  .  Retrieved on , from