Hoya anncajanoae Is Endemic to Luzon, Philippines

Hoya anncajanoae is endemic to to Luzon Island in the Philippines and was named after its discoverer, Ann O. Cajano, a technician at the Botanical Herbarium and Museum of Natural History, UPLB College, Leguna. It was published by Dale Kloppenburg and Simeona V. Siar in 2008.