The Iris (Greek means Rainbow) genus shows a Holoartic distribution, i. e irises occur throughout the Northern Temperate zone.
The Dwarf Iris is at home in grassy slopes and crevices of dolomite rocks in Europe; flowers in early spring.
As many other Iris species, Dwarf Iris populations usually are mixtures of mutants of the up to sixteen steps biosynthetic pathway of anthocyanines production going from colorless precursors (present in the white-flowered albino form), through various shades of yellow (shown here), red, blue ultimately to dark violet anthocyanines responsible for the most common flower color.
Due to damages to its populations caused by decimation via indiscriminate flower picking and digging up then transplanting to home gardens whole plants its natural habitats are protected by law now.
Original is in a private collection.