blue flag
Definition
Noun: 1. A common iris of the eastern United States: A type of flowering plant, specifically an iris, native to the eastern regions of the United States. It is characterized by its distinctive blue or blue-violet colored flowers. Historically, its root was used for medicinal purposes.
Usage Examples
- Noun:
- We saw a beautiful blue flag growing at the edge of the pond.
- The wetland restoration project aims to protect native species like the blue flag.
- Historically, some Native American tribes used the root of the blue flag as a remedy.
Advanced Usage
- As a botanical identifier: The term is used specifically in botany, horticulture, and ecology to identify this particular iris species ( or similar species like ). It is not a general term for any blue flag.
- The field guide clearly distinguishes the blue flag from other wetland irises.
Variants and Related Words
- Wild iris: A common alternative name for the same plant.
- Harlequin blueflag: Another name sometimes used for .
- Southern blue flag: A name for , a closely related species.
Synonyms
- Iris versicolor (Scientific name)
- Wild iris
- Northern blue flag
Notes on Different Meanings
- Important Distinction: This entry defines "blue flag" specifically as a plant. The term can have other, more common meanings in everyday English (e.g., a blue-colored flag used as a signal). Those are considered separate, distinct words or compound nouns and are not covered by this botanical definition.
Noun
-
a common iris of the eastern United States having blue or blue-violet flowers; root formerly used medicinally
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