Stephania tuberosa
Stephania tuberosa is a plant in the family Menispermaceae which is endemic to Queensland. It grows as a vine with a stem diameter of up to  and produces a distinctive large tuber on the ground which can be up to  diameter. Conservation
This species is listed by the Queensland Department of Environment and Science as least concern. , it has not been assessed by the IUCN. References

External links
 
 View a map of recorded sightings of Stephania tuberosa at the Australasian Virtual Herbarium

tuberosa