Pyrenacantha malvifolia, common name monkey chair, is a rare species of flowering plants in the genus Pyrenacantha belonging to the family Icacinaceae.
Pyrenacantha malvifolia has an above ground swollen and thickened caudex with a diameter up to . On the top of the caudex emerge some vine-like stems with green round shaped leaves. These vines in native habitat can reach 9-. Flower are green and quite inconspicuous.
This species can be found in central and eastern Africa, in Somalia, Ethiopia, Kenya and Tanzania.
This plant grows in the African tropical semi-desert (usually on hill-sides).