Hoyamedusa M.D.De Leon, Cabactulan, Cuerdo & Rodda, sp. nov. (Apocynaceae, Asclepiadoideae) is described from the Philippines. Even though numerous taxa with a shrubby habit from this area are known, it can be immediately separated because of its urceolate corolla and prominent elongated corona lobes. No other species in the genus possesses such a combination of characters.
Keywords: Hoyaedeni; Hoyalinavergarae; Hoyaodorata; Luzon; Marsdenieae.
Miguel David De Leon, Derek Cabactulan, Ryu D. Cuerdo, Michele Rodda.