Hoya baishaensis S.Y. He & P.T. Li sp. nova (Apocynaceae) from Hainan, China is described and illustrated. The morphological characteristics of H. baishaensis and the fairly similar H. griffithii and H. radicalis are compared. Hoya baishaensis differs in its leaf shape, pedicel, calyx and corolla color.
Keywords: Apocynaceae, Hoya, new species, taxonomy