A dark green and extremely waxy reed, fairly common in marshes and bogs, with has remarkable anti-bacterial, -viral, -fungal, and -radiation properties.
Burnt reeds mixed into the reed wax form a potent healing salve. Different strains are more effective than others against certain ailments, so the best salves use little bits from many regions. The wax is also used to seal containers, make candles, and any number of other useful things. Candles impart some of the plant's healthful effects via their smoke and naturally have a light, herbal smell, so are favored in many houses.
A freshly cut reed contains nearly pure water, so stands are popular campsites. They can be fashioned into bottles or jugs which have purifying properties, and the addition of ash reservoirs allow such containers to clean even stagnant, standing water. The stalks are too brittle to create anything large and sturdy.
The reeds have many nick-names which vary by region: water reed, marshluck, green reed, saint