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Montana Field Guides

Golden Tickseed - Coreopsis tinctoria

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Native Species

Global Rank: G5
State Rank: S4
C-value: 6


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Glabrous, taprooted annual or biennial. Stems erect, usually branched, 20–80 cm. Leaves cauline, opposite, petiolate; blades ovate, 2–10 cm long, 1 to 2 times deeply divided into 3 to 7 well-separated, long, linear to oblanceolate segments. Inflorescence open, corymbiform, linear-bracted; peduncles 1–10 cm long. Heads radiate; involucres campanulate; phyllaries ovate, dimorphic in 2 series; outer ca. 2 mm long; inner purplish, 5–9 mm long, striate; receptacle flat with scales between the flowers. Ray flowers sterile, 8, yellow; ligules 6–15 mm long with a dark base. Disk flowers perfect, purple to brown; corolla 2–3 mm long, 4-lobed, tube shorter than the throat; style branch appendages short, blunt. Pappus absent or inconspicuous. Achenes oblong, flattened, 1–3 mm long, glabrous (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
Throughout temperate North America (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 25

(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
Moist soil along rivers, streams, ponds; plains, valleys (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Ecology
POLLINATORS
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus impatiens (Colla and Dumesh 2010).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141:39-68.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • McGregor, R.L. (coordinator), T.M. Barkley, R.E. Brooks, and E.K. Schofield (eds). 1986. Flora of the Great Plains: Great Plains Flora Association. Lawrence, KS: Univ. Press Kansas. 1392 pp.
  • 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.
    • Rundquist, V.M. 1973. Avian ecology on stock ponds in two vegetational types in north-central Montana. Ph.D. Dissertation. Bozeman, MT: Montana State University. 112 p.
    • Warren, J.W. 1958. Bionomic investigations of Aedes nigromaculis (Ludlow) (Dipters: Culcidae) with special reference to oviposition. Ph.D. Dissertation. Bozeman, MT: Montana State University. 65 p.
  • Web Search Engines for Articles on "Golden Tickseed"
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Citation for data on this website:
Golden Tickseed — Coreopsis tinctoria.  Montana Field Guide.  .  Retrieved on , from