Ptychopyxis bacciformis is a species of flowering plant in the family Euphorbiaceae, native to Vietnam to Sumatra and the Philippines. It was first described by Léon Croizat in 1942.
Ptychopyxis bacciformis is native to Borneo, Peninsular Malaysia, the Philippines, Sumatra and Vietnam.
Ptychopyxis triradiata was assessed as "vulnerable" in the 1998 IUCN Red List, where it is said to be native only to Peninsular Malaysia., Pt. triradiata was regarded as a synonym of Ptychopyxis bacciformis, which has a wider distribution.