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Climbing Hempweed, Climbing Boneset - Mikania scandens


Family: Asteraceae - Aster family Genus Common Name: Hempvine Native Status: NativePerennial Herb Vine
Mikania scandens - Climbing Hempweed, Climbing Boneset. There are only two Mikania (Hempvine) species found in the United States outside of Puerto Rico. Mikania cordifolia, Florida Keys Hempvine, is found in the very deep south, and the species presented here, Mikania scandens. Mikania scandens is found in swampy woods, damp ditches, pond margins, and wet creeksides throughout most of the eastern United States from Texas to Maine, and has also been introduced into Ontario, Canada.

Found in:
AL, AR, CT, DC, DE, FL, GA, IL, IN, KY, LA, MA, MD, ME, MI, MO, MS, NC, NH, NJ, NY, OH, OK, PA, RI, SC, TN, TX, VA

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Mikania scandens

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

Map from USDA Plants Database:
USDA, NRCS. 2017. The PLANTS Database (http://plants.usda.gov, 23 Jul 2017). National Plant Data Team, Greensboro, NC 27401-4901 USA.

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Site: Walker County, GA Date: 2011-October-02Photographer: Gerald C. Williamson
Nikon D7000
Tamron SP 90MM f/2.8 AF Macro
The blossoms are in umbels, and the individual flowers have no ray florets The disk florets are white to pale pink, reportedly sometimes lavender.
Mikania scandens

Site: Walker County, GA Date: 2011-October-02Photographer: Gerald C Williamson
Nikon D7000
Tamron SP 90MM f/2.8 AF Macro
Climbing Hempweed is a climbing vine that grows to 15 feet long, winding in a clockwise direction around its supporting host plant. Colonies of these plants can form mats over shrubs and small trees. The opposing leaves are “sagittate” - they have an arrowhead shape.
Click on the photo for a larger image
Mikania scandens

Site: Walker County, GA Date: 2013-September-17Photographer: Gerald C Williamson
Nikon D7000
The vine of Climbing Hempweed winds in a clockwise direction around its supporting host plant.
Click on the photo for a larger image
Mikania scandens

Site: Walker County, GA Date: 2013-September-17Photographer: Gerald C Williamson
Nikon D7000
A colony of Climbing Hempweed vines can cover fairly large areas.
Click on the photo for a larger image
Mikania scandens

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All content except USDA Plants Database map Copyright Gerald C. Williamson 2017
Photographs Copyright owned by the named photographer