Aquatic Plants
In addition to common reed and mitsugashiwa (bogbean), kohone (East Asian yellow water lily) and other aquatic plants grow in and around Onuma Pond.
Each bogbean plant produces three leaves which emerge from the water, and in early June they bloom with small white flowers.
The distinctive large leaves of the East Asian yellow water lily can be seen in the wetlands alongside the wooden walkway. This water lily sends up its yellow blooms in July and August.