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Asiatic Tearthumb
Persicaria
perfoliata
(Linnaeus) H. Gross
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Asiatic Tearthumb: https://marylandbiodiversity.com/species/3552
Synonyms
Mile-a-minute Weed
Perfoliate Tearthumb
Polygonum perfoliatum
Tags
Non-native
Invasive
Kingdom Plantae
Division Tracheophyta
Class Magnoliopsida
Order Caryophyllales
Family Polygonaceae
Genus Persicaria
View Taxonomy
Kingdom Plantae
Division Tracheophyta
Class Magnoliopsida
Order Caryophyllales
Family Polygonaceae
Genus Persicaria
Seasonality
About Taxon
Thumbnails
Maps
Seasonality
Seasonality
History
Time of the year
Entire Year (Jan - Dec)
Spring (Mar - May)
Summer (Jun - Jul)
Fall (Aug - Nov)
Winter (Dec - Feb)
Range of years
1957
1959
1962
1964
1977
1978
1979
1980
1981
1982
1983
1984
1986
1987
1988
1989
1990
1991
1993
1995
1996
1997
2004
2005
2006
2007
2008
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2008
2007
2006
2005
2004
1997
1996
1995
1993
1991
1990
1989
1988
1987
1986
1984
1983
1982
1981
1980
1979
1978
1977
1964
1962
1959
1957
Filter by Tag
- - -
Flowers
Fruits or Seeds
Flower Buds
No Flowers or Fruits
Green Leaves
Colored Leaves
Update
Reset
Total
Records
by Month
For Jan - Dec from 1957 - 2024
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
1
2
Totals
Source: Maryland Biodiversity Project database
Total
Records
by Year
1960
1965
1970
1975
1980
1985
1990
1995
2000
2005
2010
2015
2020
2025
0
10
20
30
40
50
60
70
80
90
100
110
120
130
Totals
Source: Maryland Biodiversity Project database