Check out EDDMapS.org to see where this has been reported.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Caryophyllales
WEAKLEY'S FLORA (11/30/12):
Persicaria perfoliata
FAMILY
Polygonaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Polygonum perfoliatum
FAMILY
Polygonaceae
COMMON NAME:
Asiatic Tearthumb, Mile-a-minute-vine
Click or hover over the thumbnails to see larger pictures.
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Bruce Ackley, The Ohio State University, Bugwood.org bug_5437879
Month Unknown
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Leslie J. Mehrhoff, University of Connecticut, Bugwood.org bug_5480315
Month Unknown
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Leslie J. Mehrhoff, University of Connecticut, Bugwood.org bug_5480355
Month Unknown
Stem, petioles, lower surface of major leaf veins w abundant recurved prickles, per Weakley's Flora.
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Leslie J. Mehrhoff, University of Connecticut, Bugwood.org bug_5480389
Month Unknown
Spaced along the stem grow cuplike leafy structures (ocreas), per Invasive Plants, Guide to Identification, Impacts and Control.
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Leslie J. Mehrhoff, University of Connecticut, Bugwood.org bug_5480394
Month Unknown
Leaves a distinctive equilateral triangle, 1-3" wide, per Invasive Plants, Guide to Identification, Impacts and Control.
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Leslie J. Mehrhoff, University of Connecticut, Bugwood.org bug_5480485
Month Unknown
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Leslie J. Mehrhoff, University of Connecticut, Bugwood.org bug_5480493
Month Unknown
Small white flowers emerge from the rounded ocreas, per Invasive Plants, Guide to Identification, Impacts and Control.
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Leslie J. Mehrhoff, University of Connecticut, Bugwood.org bug_5480496
Month Unknown
Fruits metallic blue, pea-sized, per Invasive Plants, Guide to Identification, Impacts and Control.
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Leslie J. Mehrhoff, University of Connecticut, Bugwood.org bug_5480574
Month Unknown
Vines can grow to 15' long, per Invasive Plants, Guide to Identification, Impacts and Control.