Species of flowering plant
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Vailia is a monotypic genus of flowering plants belonging to the family Apocynaceae. It just contains one species, Vailia mucronata 
It is native to Bolivia, Ecuador and Peru.
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. The Latin specific epithet of "mucronata" means sharp-edged, from "mucro", sword-point or edge.
Both the genus and the species were first described and published in Bull. Torrey Bot. Club Vol.25 on page 500 in 1898.
References.
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