Bogbean

Did you know

• Bogbean flowers are among the most intricately textured in the plant kingdom — each petal is densely fringed with long white hairs that give the flower a feathery or frosted appearance when seen close up.
• The three-part trifoliate leaf resembles a broad bean leaf, giving rise to the common name 'bogbean' — though it is entirely unrelated to beans, clovers, or any legume.
• Despite its delicate flowers, bogbean is intensely bitter — the dried leaves have been used as a substitute for hops in traditional brewing across Northern Europe, and a decoction was used medicinally for fevers and rheumatism.
• Bogbean is one of the circumpolar aquatic plants with almost identical populations across the entire Northern Hemisphere, from Britain to Japan to Alaska — suggesting very recent global dispersal, possibly via waterbirds.
• The plant spreads by extending thick underwater rhizomes through bog and fen soils, often creating extensive patches that float on the surface or form terrestrial hummocks; disturbing the rhizome releases a powerful bitter smell.

Color meanings

Uses

• aquatic ornamental
• herbal medicine
• historical brewing