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Field Thistle

Cirsium discolor (Muhl. ex Willd.) Spreng.

2016 Keir Morse   cc-by-nc-sa-3.0

Cirsium discolor (Field 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 and Canada. They have simple, broad leaves and achenes. Flowers are visited by Two-spotted Bumblebee, Melissodes desponsus, Red-belted Bumble Bee, and Megachile montivaga. Individuals can grow to 1 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 field thistle. View this species on GBIF