Hoya kerrii is an evergreen epiphytic climber in the dogbane family (Apocynaceae), native to Indochina and western Malesia, from Thailand to Java. Its wiry stems climb trees with aerial roots and reach about 4 m, and they contain white latex. The thick, succulent, hairless leaves are broadly ovate with a deeply notched tip, giving them a heart shape; they are up to about 9 cm long and 8 cm wide, with 5 or 6 lateral veins. Rounded umbels about 5 cm across hold 10 to 25 cream to white star-shaped flowers 7 to 8 mm wide with a dark brown to pinkish-brown corona. The flowers are fragrant at night and secrete reddish-brown nectar that can stain surfaces. The species was described in 1911 from plants collected on Doi Suthep near Chiang Mai, Thailand. Single rooted leaves are often sold as gifts, but a leaf without a piece of stem rarely grows into a vine. It is generally listed as non-toxic to pets, though the sap may irritate sensitive skin.
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