is a starchy swelling on underground stems or roots. Jarrah
plants use them as a life support system in case of fire or animal damage. They are able to sprout back from buds on the surface of the lignotuber. This is known as coppicing
Ligno or lignintubers are part of the active, structural plant defence against attack- root cortical cells penetrated by infecting fungal hyphae may form lignintubers, which are part of a larger category of structural defence known as wall appositions.