Persicaria arifolia (L.) Haraldson

Halberd-Leaved Tear-Thumb

Persicaria arifolia plant

Family - Polygonaceae

Stems - No info. yet.

Persicaria arifolia nodeNode.

Persicaria arifolia stemStem.

Leaves - No info. yet.

Persicaria arifolia leafTypical leaf.

Inflorescence - No info. yet.

Persicaria arifolia axisAxis of inflorescence.

Flowers - No info. yet.

Persicaria arifolia perianthClosed flowers.

Flowering - July - October.

Habitat - Wet sandy ground near spring branches, often partially submerged.

Origin - Native to U.S.

Other info. - This species is quite rare in Missouri and can only be found in a few locations of the southeast portion of the state. The plant reaches the extreme western edge of its geographical range in the state.
This plant is very easy to identify in the field because of its square, prickly stems, its hastate leaves, and its big flowers. Habitat is also a good characteristic to use for ID as this plant grows in wet areas.

Photographs taken in Brown Summit, NC., 9-8-02.


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