blue flag

Thân thiện

A blue flag grows near the edge of a quiet pond.

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.

Học thuật

Noun

1. a common iris of the eastern United States having blue or blue-violet flowers; root formerly used medicinally

Từ đồng nghĩa

• iris versicolor