| Iris giganticaerulea | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Monocots |
| Order: | Asparagales |
| Family: | Iridaceae |
| Subfamily: | Iridoideae |
| Tribe: | Irideae |
| Genus: | Iris |
| Subgenus: | Limniris |
| Series: | Hexagonae |
| Species: | I. giganticaerulea |
| Binomial name | |
| Iris giganticaerulea Small |
|
Iris giganticaerulea (Giant Blue Iris or Giant Blue Flag) is a species of iris native to Alabama, Louisiana and Mississippi in the United States.
The plant has 4-6 basal leaves which are 100-130 cm long and 2-3 cm wide. The flowers are typically blue to purple-blue and appear in spring. Lavender and white colour forms are also observed in the wild.
It was declared as the official state wildflower of Louisiana in 1990.