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Blue Flag

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Iris versicolor
Blue Flag


They are found in marshes and wet meadows.


It is a big, blue-violet flower with 3 petals and 3 yellow-veined leaves (sepals) below the flower. Each plant has one to several flowers that sit on top of strong stem. They have tall, sword-like leaves that attach at the bottom. They bloom May through July.

Taxonomic Features (Traits) for Identification

  • Flower Type: Flower Regular with 3 petals, plus 3
  • Flower Color: Blue (petals and sepals)
Leaf Arrangement: Alternate
  • Plant Type: Wildflower (large)
Leaf Type: Long, narrow and entire (smooth edge)
Blue Flag Photo

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Citing Research References

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When citing a WEBSITE the general format is as follows.
Author Last Name, First Name(s). "Title: Subtitle of Part of Web Page, if appropriate." Title: Subtitle: Section of Page if appropriate. Sponsoring/Publishing Agency, If Given. Additional significant descriptive information. Date of Electronic Publication or other Date, such as Last Updated. Day Month Year of access < URL >.

Here is an example of citing this page:

Amsel, Sheri. "Blue Flag" Exploring Nature Educational Resource ©2005-2023. March 24, 2023
< > has more than 2,000 illustrated animals. Read about them, color them, label them, learn to draw them.