Iris virginica  
Family: Iridaceae
blue flag, Shreve's iris, southern blue flag, Virginia iris
Iris virginica image
Kenneth J. Sytsma  
Etymology: Iris: named for the Greek goddess of the rainbow
Plants: erect, perennial, semi-aquatic, 1'-3' tall forb with usually 1-3 spreading branches; creeping, often colony-forming rhizomes
Leaves: widely linear to sword-shaped, erect or arching
Flowers: blue to purple, 6-parted, 3" wide, short-stalked; hairy, bright yellow spot at the base of the sepals; blooms May-July
Fruits: 3-angled, elliptical to oval capsule
Habitat: full to partial sun; wet; meadows, streambanks; in sandy, loamy soil
Conservation Status: Native
Iris virginica image
Christopher Noll  
Iris virginica image
Robert W. Freckmann  
Iris virginica image
Merel R. Black  
Iris virginica image
Christopher Noll