BCP/Polygonum pensylvanicum

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Polygonum pensylvanicum

Polygonum pensylvanicum

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Profile for Polygonum pensylvanicum (Pennsylvania Smartweed)
Identifying Characteristics
Flowers:cluster of pink flowers in a spike.
Foliage:long, narrow leaves with prominent midrib. Veins are parallel to one another, originating at the midrib and progressing towards the edge of the leaf. Margin is entire.
Stem:Jointed branches are covered with a papery sheath.
Life Cycle: Annual
Similar Plants:Easily mistaken for Persicaria maculosa
Recent Logs[edit | edit source]

Global data:

Regional data:
Southeastern Pennsylvania: (native) July, August, September, October, November
New Hampshire: June, July, August, September, October, November

Additional images:

Please contribute!
Please contribute!
This page is a profile for the plant species Polygonum pensylvanicum, used to collect records of where and when this plant was observed blooming, and for providing identification information for use in dichotomous keys. If you would like to help collect data for this or other plants, see Bloom clock project/How to Contribute for orientation.