BCP/Arctium lappa

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Arctium lappa

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Profile for Arctium lappa (Burdock)
Identifying Characteristics
Habit: erect, branching
Foliage: Simple, hairy
Fruit: Large burs which stick to clothing and fur
Life Cycle: Biennial
Recent Logs[edit]

Global data:
Temperate zone season(s): Mid Summer, Late Summer, Early Fall

Regional data and additional images for Arctium lappa

Regional data:
Southeastern Pennsylvania: (invasive or naturalized) July, August, September
New Hampshire: July, August, September
Central Pennsylvania: August

Additional images:

Please contribute!
This page is a profile for the plant species Arctium lappa, 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.