Wrightia dubia[2] is a species of shrub-plant in the family Apocynaceae.

Its distribution includes: Indo-China and peninsular Malaysia (Kedah, Penang, Pahan).

There are no subspecies are listed in the Catalogue of Life.

[3] In Viet Nam, it may be called lòng mức ngờ, and in Malaysia it may be called bunga hantu ("ghost flower").

[4]