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Image of fringed thistle
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Fringed Thistle

Cirsium clavatum var. americanum (A. Gray) D. J. Keil

Stephen Hauptli   cc-by-nc-4.0

They have achenes. Flowers are visited by Callippe Fritillary, Colias scudderii, Speyeria atlantis sorocko, and Coronis Fritillary.

  • 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 11 attributes, including: