Jules Alexandre Daveau (29 February 1852, Argenteuil – 24 August 1929) was a French botanist known for his investigations of Portuguese flora.
As a teenager he began work as an apprentice gardener at the Muséum national d'histoire naturelle in Paris.
He collected specimens for a Portuguese botanist Julio Augusto Henriques[1] on Berlenga Grande Island, Portugal.
Afterwards, he was curator in the herbarium and botanical garden in Montpellier.
[3][4][5] Plants with the specific epithet of daveauanus are named after Daveau, an example being: Erigeron daveauanus.