Coreopsis tripteris L. - Tall Coreopsis


 

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Coreopsis tripteris - (image 1 of 7)

 

Taxonomy

Family: Asteraceae

Habitat

Sandy woods, prairies.

Associates

In prairies with Eryngium yuccifolium, Heuchera richardsonii, Krigia biflora, Liatris spicata, Lithospermum canescens, Phlox pilosa fulgida, Rudbeckia hirta, Salix humilis, Stipa spartea.

Distribution

MA and southern Ontario west to WI, south to FL and TX.

Morphology

Perennial to 3 m from a short, stout rhizome. Stems usually glabrous and somewhat glaucous. Leaves divided to the midrib into 3 or more leaflets or divisions; leaflets lanceolate to elliptic or elliptic-oblong, usually more than 5mm wide; ray flowers with rounded tips, yellow; disk flowers yellow-brown.      

Notes

Flowers early July to mid October

Wetland indicator: Facultative

The tallest plant in this genus. Could be mistaken for a sunflower.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

 

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.

 


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 Michael Hough 2004