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A lignotuber is a starchy swelling on underground stems or roots. Jarrah and mallee
Mallee (habit)

Mallee is the growth habit of woody plants that grow with multiple stems springing from an underground lignotuber, usually to a height of no more than ten metres....
 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
Coppicing

Coppicing is a traditional method of woodland management in which young tree stems are repeatedly cut down to near ground level. In subsequent growth years, many new shoots will emerge, and, after a number of years the coppiced tree, or Living stump, is ready to be harvested, and the cycle begins again....
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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.






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A lignotuber is a starchy swelling on underground stems or roots. Jarrah and mallee
Mallee (habit)

Mallee is the growth habit of woody plants that grow with multiple stems springing from an underground lignotuber, usually to a height of no more than ten metres....
 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
Coppicing

Coppicing is a traditional method of woodland management in which young tree stems are repeatedly cut down to near ground level. In subsequent growth years, many new shoots will emerge, and, after a number of years the coppiced tree, or Living stump, is ready to be harvested, and the cycle begins again....
.

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.