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Image of Persicaria lapathifolia subsp. lapathifolia
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Curlytop Knotweed

Persicaria lapathifolia (L.) S. F. Gray

JC Schou   cc-by-nc

Persicaria lapathifolia (Curlytop Knotweed) is a species of annual herb in the family Polygonaceae. They have a self-supporting growth form. They are native to South America. They have simple, broad leaves and achenes. Flowers are visited by Red Admiral, Halictus parallelus, and Myzinum maculatum. Individuals can grow to 0.54 m.

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  • URI: http://purl.obolibrary.org/obo/PO_0030107
  • Definition: a fruit which develops from a carpel or gyneocium and at maturity comprises a dry exocarp, a dry mesocarp, and a dry endocarp that are connected to a seed coat by a funicle
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EOL has data for 22 attributes, including:

Known occurrences, collected specimens and observations of curlytop knotweed. View this species on GBIF