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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 achene. 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 21 attributes, including:

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