Wrightia annamensis var.

Wrightia annamensis[2][3] is a small tree species in the family Apocynaceae.

Its distribution includes: southern China, Cambodia and Viet Nam: where it may be called: lòng mức trung bộ.

At the time of writing (July 2018) there is a database conflict, with some authorities placing this species as a heterotypic synonym of Wrightia pubescens subsp.

lanitii (Blanco).