Definition

Noun 1. A perennial iris plant: southern blue flag is the common name for a specific species of flowering plant in the iris family, Iris virginica var. shrevei. It is characterized by its showy blue to violet flowers and sword-shaped leaves, and it is native to wetlands in the eastern United States.

Usage Notes

• This term is primarily used in botanical, horticultural, and ecological contexts to identify this specific plant species.
• It is a compound noun where "southern" specifies the regional variety of the more general "blue flag" iris.

Examples

• The wetland restoration project included planting southern blue flag along the water's edge.
• You can distinguish southern blue flag from other irises by its specific petal patterns and preferred habitat.
• A cluster of southern blue flag was blooming beautifully in the marsh.

Advanced Usage

• The term is often used in scientific or formal descriptions of native plant communities.
  • The study documented the association of southern blue flag with sedge meadows and stream banks.

Variants and Related Words

• Blue flag: A more general common name for irises in the and species complex.
• Iris virginica var. shrevei: The formal botanical (Latin) name for this plant variety.
• Wild iris: A broader common name that may refer to this and other native iris species.

Synonyms

• Shreve's iris (a less common common name derived from its botanical variety name).

Related Terms (Contextual)

• Wetland plant: Describes its preferred habitat.
• Perennial: Describes its life cycle (returning year after year).
• Rhizome: Describes its root structure (a horizontal underground stem).

Noun

1. similar to blue flag; the eastern United States