It has large flowers which are white, silver-white or cream, with purple-red or reddish-brown veining and a golden yellow beard and a dark purple or deep purple-brown signal patch.

[4] They are white or cream coloured,[2][4] with yellow spots and purplish-red,[8] reddish-brown or purplish-brown veining.

In the middle of the falls, there is a blotch or signal patch which is large,[4] dark purple,[2] or deep purple-brown.

It was originally discovered in 1903 by German engineer businessman and plant collector[10] Walter Siehe,[4] in Asia-Minor (on the Taurus Mountains).

[1][11][12] Siehe also published and described Iris elizabethae in 1903,[8][13] it was recorded having larger flowers,[3] and only found on Mount Hasan (Hasan Dagi)[9] but the plant was later declared to be a synonym of Iris sprengeri.

[6] It prefers to grow in the mountains, on steppes and screes,[4] and unstable pumice slopes.

[4][2] Iris sprengeri can be grown in soils that have good drainage and are highin nutients, it needs to be dry through the summer after flowering.

[9] Like many other irises, most parts of the plant are poisonous (including the rhizome and leaves), if mistakenly ingested, it can cause stomach pains and vomiting.