Native & Naturalized Plants of the Carolinas & Georgia


1124

Forb
Annual

Non-native: east Asia
Documented growing wild in - - -

Common, introduced and spreading rapidly

Look for it on roadsides, banks, powerline rights-of-way, per Weakley's Flora

map
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INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

Kentucky Exotic Pest Plant Council, 2013
SC List of Regulated Pest Plant Species, 2017
Tennessee Exotic Pest Plant Council, 2009
US Forest Service Southern Research Station
Virginia Department of Conservation and Recreation, 2014

 

LEAVES:
Simple
Alternate

FLOWER:
Summer/Fall
Greenish-white
Bisexual
5-parted calyx
Petals absent
Superior ovary

FRUIT:
Summer/Fall
Blue
Nutlet

 

TO LEARN MORE about this plant, look it up in a good book!



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.

image of Persicaria perfoliata

Bruce Ackley, The Ohio State University, Bugwood.org     bug_5437879

Month Unknown        

image of Persicaria perfoliata

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org    bug_5480315

Month Unknown        

image of Persicaria perfoliata

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.

image of Persicaria perfoliata

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.

image of Persicaria perfoliata

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.

image of Persicaria perfoliata

Leslie J. Mehrhoff, University of Connecticut, Bugwood.org    bug_5480485

Month Unknown        

image of Persicaria perfoliata

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.

image of Persicaria perfoliata

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.

image of Persicaria perfoliata

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.