noun
Monochoria korsakowii (flowering plant)
An aquatic plant native to East Asia, bearing blue-purple flowers. The name is usually written in kana.
夏になると、池にミズアオイの花が咲く。
In summer, Monochoria korsakowii flowers bloom in the pond.
The name ミズアオイ literally means 'water hollyhock', referring to its aquatic habitat and leaf shape. The exact historical derivation is uncertain.