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Montana Field Guide

Montana Field Guides

Summer Adonis - Adonis aestivalis
Other Names:  Summer Pheasant's-eye

Non-native Species

Global Rank: GNR
State Rank: SNA
C-value: 1

Agency Status


External Links

General Description
Glabrous annual. Stems 20–60 cm. Leaves basal and cauline, ovate in outline, 2 to 3 times pinnately dissected into linear, ultimate segments. Flowers pedicellate, solitary from leaf axils, regular; sepals 5 greenish, 5–10 mm long; petals 6 to 8, orange, 10–17 mm long with a dark, basal spot; stamens and pistils numerous. Fruit a beaked, wrinkled, glabrous achene, 4–6 mm long borne in a cylindical head 2–3 cm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions


Range Comments
A garden escape introduced to Granite and Powell counties and ID south to CA, UT; native to Eurasia (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 2

(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)



  • 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?
    • King, C. R. 1953. The Ranunculaceae of Montana. M.S. Thesis, Bozeman, MT: Montana State College. 82 p.
  • Web Search Engines for Articles on "Summer Adonis"
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Citation for data on this website:
Summer Adonis — Adonis aestivalis.  Montana Field Guide.  .  Retrieved on , from