Pyrenacantha malvifolia

Monkey Chair
Family: Icacinaceae
Origin: Eastern Africa
Caudex

Pyrenacantha malvifolia has an above ground swollen and thickened caudex with a diameter up to 1.5 metres (4 ft 11 in). On the top of the caudex emerge some vine-like stems with green round shaped leaves.

Link to this plant:

https://toptropicals.com/catalog/uid/pyrenacantha_malvifolia.htm