Vailia is a monotypic genus of flowering plants belonging to the family Apocynaceae.
It just contains one species, Vailia mucronata Rusby[1][2] It is native to Bolivia, Ecuador and Peru.
[2] The genus name of Vailia is in honour of Anna Murray Vail (1863–1955), an American botanist and first librarian of the New York Botanical Garden.
[3] The Latin specific epithet of mucronata means sharp-edged, from mucro, sword-point or edge.
[4] Both the genus and the species were first described and published in Bull.