Cynanchum staubii (endemic common name: Liane calle) is a rare coastal plant from the subfamily Asclepiadoideae within in the family of Apocynaceae. It is endemic to the Îlot Fourneau and the Ile aux Aigrettes, two islets off the coast of Mauritius. The species epithet commemorates Dr. France Staub, an ornithologist, herpetologist, botanist, and conservationist from Mauritius who collected the holotype in 1965.