Bog asphodel (Narthecium ossifragum
) is a perennial herb with a creeping rhizome. The species name of “ossifragum” meaning bone breaker, derives from the observation that sheep grazing where Bog Asphodel grows had brittle bones.
All parts of N. ossifragum
contains steroidal saponins and furanones. The steroidal saponins are hepatotoxic, causing liver damage. For several hundred years N. ossifragum
has been associated with photosensitvity
and liver damage in grazing livestock in Europe