Neobuchia is a monotypic genus of flowering plants belonging to the family Malvaceae.

[3] It only contains one known species, Neobuchia paulinae, commonly known as mapou blanc.

It is a tree endemic to Haiti on the island of Hispaniola.

[1] The genus name of Neobuchia is in honour of Wilhelm Buch (1862–1943), a German pharmacist and botanist, and his wife Amalia Pauline Wilhelmine Buch.

[4] The Latin specific epithet of paulinae refers to Wilhelm Buch's wife, Amalia Pauline Wilhelmine Buch.