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Redstem Filaree

Erodium cicutarium

Summary 5

Erodium cicutarium, also known as redstem filaree, common stork's-bill or pinweed, is a herbaceous annual – or in warm climates, biennial – member of the family Geraniaceae of flowering plants. It is native to the Mediterranean Basin and was introduced to North America in the eighteenth century, where it has since become invasive, particularly of the deserts and arid grasslands of the southwestern United States.

Comments 6

Storksbill is the only Erodium sp. that is known to occur in Illinois. There are other Erodium spp. (Storksbill species), both native and introduced, that can be found in the western and SW states, but they don't occur in Illinois. Species in this genus are closely related to Geranium spp. (Cranesbill species) and both groups of plants develop beak-like seed capsules. However, the leaves of Storksbill species are pinnately compound, while the leaves of Cranesbill species are palmate.

Sources and Credits

  1. (c) Franco Folini, some rights reserved (CC BY), http://www.flickr.com/photos/78425154@N00/4361637278
  2. (c) Biopix, some rights reserved (CC BY-NC), http://www.biopix.com/photos/SDL-Erodium-cicutarium-00001.jpg
  3. (c) 2009 Barry Breckling, some rights reserved (CC BY-NC-SA), http://calphotos.berkeley.edu/cgi/img_query?seq_num=302321&one=T
  4. (c) 2006 Steven Thorsted, some rights reserved (CC BY-NC), http://calphotos.berkeley.edu/cgi/img_query?seq_num=199912&one=T
  5. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Erodium_cicutarium
  6. (c) John Hilty, some rights reserved (CC BY-NC), http://eol.org/data_objects/29446666

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