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Greater Tickseed, Whorled Leaf Coreopsis, Forest Tickseed - Coreopsis major


Family: Asteraceae - Aster family Genus Common Name: Tickseed Native Status: NativeDicot Perennial Herb
Coreopsis major - Greater Tickseed, Whorled Leaf Coreopsis, Forest Tickseed. Coreopsis major grows from 2 to 4 feet tall on roadsides and open forests. The blossom has both yellow ray and disk flowers and can be up to 2.5 inches wide.

Found in:
AL, FL, GA, IN, KY, LA, MA, MS, NC, NY, OH, PA, SC, TN, VA, WV

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Coreopsis major

Distribution of Coreopsis major in the United States and Canada:
USDA Map temporarily unavailable.
Blue=Native; Grey=Introduced

Map from USDA Plants Database:
USDA, NRCS. 2017. The PLANTS Database (http://plants.usda.gov, 16 Jan 2025). National Plant Data Team, Greensboro, NC 27401-4901 USA.

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Site: Reflection Riding, Hamilton County, TN Date: 2011-May-27Photographer: Gerald C. Williamson
Nikon D7000
Tamron SP 90MM f/2.8 AF Macro
The flowers usually have 8 ray flowers and 30 or more disk flowers. The ends of the ray flowers on most Coreopsis species are toothed; that feature is missing in Coreopsis major.
Coreopsis major
Site: Reflection Riding, Hamilton County, TN Date: 2011-May-27Photographer: Gerald C Williamson
Nikon D7000
Tamron SP 90MM f/2.8 AF Macro
The leaves only appear to be whorled; they are actually opposing, with each leaf having three narrow, lanceolate lobes. This gives the appearance of 6 whorled leaves.
Click on the photo for a larger image
Coreopsis major
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Coreopsis major initially published on USWildflowers.com 2011-05-28; Updated 2015-06-24

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