Description: English: Location taken: United States Botanic Garden. Names: Hoya serpens Hook.f., Hoy Classification: Plantae > Magnoliophyta > Magnoliopsida > Gentianales > Apocynaceae > Marsdenieae > Hoya > Hoya serpens. Date: 16 August 2006. Source: source: David Stang. First published at ZipcodeZoo.com. Author: Photo by David J. Stang.