Parthenium argentatum

Parthenium hysterophorus

Parthenium integrifolium is a perennial that forms clumps and can reach heights of up to 1.2 meters. It features a basal rosette of large, oval leaves with coarse serrations. From late spring through summer, it produces small, densely clustered flower heads that are slightly fragrant, with tiny white blooms held on sturdy, branching stems.

Parthenium integrifolium

Parthenium virginicum

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