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Montana Field Guide

Montana Field Guides

Field Scabious - Knautia arvensis
Other Names:  Blue-button, Field Scabiosa

Image Copyright and Usage Information
Non-native Species

Global Rank: GNR
State Rank: SNA
C-value: 0


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Taprooted perennial. Stems erect, branched above, 30–80 cm. Herbage hirsute. Basal leaves petiolate; blades oblanceolate, crenate, 3–15 cm long. Stem leaves oblanceolate, 4–20 cm long, deeply pinnately lobed; the lobes linear-lanceolate. Heads hemispheric, 1–3 cm across; involucral bracts lanceolate, 5–12 mm long; receptacle bracts absent. Flowers: calyx hirsute with 8 to 12 aristate sepals 2–4 mm long; corolla 4-lobed, light purple, glabrous to sparsely hairy, 6–8 mm long; lobes 1–3 mm long; stigma shallowly lobed; stamens barely exserted. Achene conical, 5–6 mm long, hirsute (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Non-native
 


Range Comments
Introduced to northern U.S., adjacent Canada; native to Europe (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 185

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

Recency

 

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



Habitat
Predicted Suitable Habitat Model

This species has a Predicted Suitable Habitat Model available.

To learn how these Models were created see mtnhp.org/models

Management

References
  • 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?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
  • Web Search Engines for Articles on "Field Scabious"
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Citation for data on this website:
Field Scabious — Knautia arvensis.  Montana Field Guide.  .  Retrieved on , from