Giant blue iris (Iris giganticaerulea)
Description
Iris giganticaerulea (giant blue iris') is a species of iris, it is also in the subgenus of Limniris and in the Series Hexagonae. It is a rhizomatous perennial, from northern America. It has long bright green leaves, very tall stems, 1-2 musky fragrant flowers, in a range of blue shades, from pale blue, to lavender blue, to bright blue, to dark blue, and to violet blue. Rarely, there is a white form.Iris giganticaerulea (like its common name the 'Giant blue iris') is the largest species of the Louisiana Irises.It has very large green rhizomes, which are between 5 and 12 inches (13 - 30 cm) long and 0.75 to 1.5 inches (2-4 cm) thick.They are shallow rooted, marked with the scars (of the previous seasons) leaves, with many branches, which can form a large clump/colony growing up to 6 x 3 feet (182 x 91 cm).It has rising from the base of the plant, 4-6 bright green leaves, ensiform (sword-shaped) and measuring between 20 - 30 inches (50-76 cm) long and 1 1/2 inches (4 cm) wide.It has very tall stems, that can grow between to between 28 - 71 inches (70-180 cm) tall They can have 2-3 branches, with 1-2 terminal flowers, arising above the leaves. There can be up to 12 flowers on the plant.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Liliopsida
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Order: Asparagales
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Family: Iridaceae
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Genus: Iris
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