[4] It has several branched flowering stems (or scape) which can reach about 80 cm (31 in) tall in May.

[8] It is known as 乌苏里鸢尾 or wu su li yuan wei in China.

[9][2] The specific epithet maackii, refers to the Russian explorer and naturalist Richard Otto Maack.

[10] The original collection consisted of seed pods only, later named as a synonym of Iris laevigata before being re-classified as a species.

[12] Although it is not an accepted name at Kew Gardens in the UK, it is thought to be very similar to Iris laevigata, especially its seeds and capsules.

The Kew botanists currently call it Iris maackii, due to no other acceptable name.

[9] It is located on moist soils near ponds and lakes from northeastern China into eastern Russia.