Pronunciation

change

Singular
lignotuber

Plural
lignotubers

 
Lignotuber of Stangeria eriopus.
 
Cussionia paniculata lignotuber.
 
A plant (Hairpin Banksia) reshooting from a lignotuber after a fire, Australia (Lane Cove National Park).
  1. (countable) (botany) A lignotuber is a large root buried in the ground that can produce one or more tree trunks.
    Many Australian eucalypt trees have lignotubers which let the tree regrow after a bushfire.