Iris virginica var. shrevei (Small) E.S.Anderson  
Family: Iridaceae
blue flag, Shreve's iris, southern blue flag, Virginia iris
[Iris shrevei Small, Iris versicolor var. shrevei L.]
Iris virginica var. shrevei 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 var. shrevei image
Christopher Noll  
Iris virginica var. shrevei image
Robert W. Freckmann  
Iris virginica var. shrevei image
Merel R. Black  
Iris virginica var. shrevei image
Christopher Noll