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Montana Field Guide

Montana Field Guides

Common Corncockle - Agrostemma githago

Non-native Species

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

Agency Status


External Links

General Description
Taprooted annuals with sparsely long-hairy foliage. Stems simple or branched, to 100 cm. Leaves linear-lanceolate, 3–12 cm long, sessile or united around the stem. Inflorescence a few-flowered, terminal, open cyme. Flowers: calyx united into a strongly purple-veined tube, 12–15 mm long and linear lobes 15–30 mm long; petals indistinctly clawed, red, smaller than the calyx lobes; stamens 10; styles 5. Capsule 15–20 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


Range Comments
Introduced throughout North America and worldwide; 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: 17

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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?
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
  • Web Search Engines for Articles on "Common Corncockle"
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Citation for data on this website:
Common Corncockle — Agrostemma githago.  Montana Field Guide.  .  Retrieved on , from