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Image of <i>Cirsium <i>occidentale</i></i> var. occidentale
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Cobwebby Thistle

Cirsium occidentale (Nutt.) Jepson

San Diego Natural History Museum. SDNHM. Year: 2015.   cc-by-nc-sa-3.0

Cirsium occidentale (Cobwebby Thistle) is a species of biennial herb in the family Asteraceae. They have a self-supporting growth form. They are native to The Contiguous United States. They have simple, broad leaves and achene. Flowers are visited by Trachusa timberlakei and Bumble Bees.

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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 16 attributes, including: