Grown habit: Vine, Forb/herb
Duration: Perennial
Synonyms:
= Cynanchum nigrum (L.) Pers., non Cav.
= Vincetoxicum nigrum (L.) Moench
Cynanchum louiseae
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 36.
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Distribution in USA and Canada (*)
USA (CA, CT, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, NE, NH, NJ, NY, OH, PA, RI, VT, WI), CAN (ON, QC)
Map for Cynanchum louiseae Kartesz & Gandhi
(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA
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