⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35144219, and has not been changed.

Ptychophyllum borneense Broth. is a synonym of Ectropothecium ptychofolium N. Nishim.

This name is a synonym of Ectropothecium ptychofolium N. Nishim..

The record derives from Tropicos which reports it as a synonym (record 35144219) with original publication details: Mitt. Inst. Allg. Bot. Hamburg 7(2): 139 139 1928.