
1) Aquatic plant 2) Bog myrtle 3) Buckbean 4) Hydrophyte 5) Hydrophytic plant 6) Marsh trefoil 7) Menyanthes trifoliata 8) Water plant 9) Water shamrock
Found on
https://www.crosswordclues.com/clue/bogbean

1) Buckbean
Found on
https://www.crosswordclues.com/clue/bogbean

(Menyanthes) M. trifoliata is a hardy aquatic plant that is native to the bogs of North America. The Bogbean, as it is commonly called, has spongy, trailing roots, from which grow smooth, green, partially prostrate stems. These stems are clothed with olive-green leaves consisting of three leaflets. Roots grow along the length of the stem and sink i...
Found on
http://www.encyclo.co.uk/local/10004

buckbean ...
Found on
http://www.encyclo.co.uk/local/20973

Type: Term Pronunciation: bog′bēn Synonyms: buck bean
Found on
http://www.medilexicon.com/medicaldictionary.php?t=11123

one of a variety of flowering plants, similar to thistles, definitely inedible and, perhaps, poisonous.
Found on
http://www.thecraic.net/glossary.html

Aquatic or bog plant belonging to the gentian family, with a creeping rhizome (underground stem) and leaves and pink flower spikes held above water. It is found over much of the northern hemisphere. (
Menyanthes trifoliata, family Gentianaceae.)
Found on
https://www.encyclo.co.uk/local/21221
No exact match found.