bogbean
boʊbɪn
Definitions
1. noun
A plant of the genus Menyanthes, having floating leaves and white flowers, found in marshy places.
“The botanist identified the rare bogbean growing in the wetlands.”
2. noun
A bean-like seed or pod, especially one that grows in bogs.
“The water lily and bogbean seeds were found in the muddy bottom of the pond.”