Common Names: Siberian iris, Siberian flag
Sub-category: Iris family
In Connecticut, it is found as a cultivated plant. It has creeping rhizome (approximately 0.9 to 1.2 cm diameter, forming a dense clumping plant. It has green grass-like leaves, which are ribbed and can sometimes have a pink tinge at the base of the leaf. They can grow to between 25 to 80 cm long and 0.4 to 0.6 cm wide, normally shorter than the flowering stems. It has a hollow, slender, 1 to 3 branched stem, that grows up to between 50 to 120 cm long. The stems bear 2 to 5 (normally three) flowers, at the terminal ends between May and June. It has 3 brown paper-like spathes (leaves of the flower bud), that are reddish at the base, measuring between 3 to 5 cm long. The flowers come in a range of blue shades. From violet-blue, to blue, and occasionally white. The flowers are 6 to 7 cm in diameter. It has 2 pairs of petals, 3 large sepals (outer petals), known as the 'falls' and 3 inner, smaller petals (or tepals), known as the 'standards'. The drooping obovate falls, measuring 5 to 7.5 cm long and 2 to 2.5 cm wide, have a wide (or flaring) white blade or signal (central part of the petal) with dark-blue to violet veining. The white forms of the iris have a tinge of lavender and dark veining.
Primary Flower Color: Blue/Purple
Secondary Flower Color: White