''Ptychopyxis javanica'' is a plant species in the

Euphorbiaceae Euphorbiaceae, the spurge family, is a large family of flowering plants. In English, they are also commonly called euphorbias, which is also the name of a genus in the family. Most spurges, such as ''Euphorbia paralias'', are herbs, but some, e ...

. It is native to southern Thailand, Vietnam, Peninsular Malaysia, Borneo, Sumatra, and Java.Kew World Checklist of Selected Plant Families
/ref> Stoops, E. & van Welzen, P.C. (2013). A revision of ''Ptychopyxis'' (Euphorbiaceae) in southeast Asia. Nordic Journal of Botany 31: 94-112.

References

Pycnocomeae Flora of Asia Plants described in 1910 {{Euphorbiaceae-stub