English: Indian birthwort; Dutchman's pipe.
Region: Himalaya to Sri Lanka, South East Asia, Myanmar, Indonesia, Indochina, Thailand, China, Oceania, Malesia, Solomon Islands, Queensland in Australia.
Habitat: forests, open lowland thickets, climbing over bushes and trees.
Ecology: caterpillars of butterflies, Troides helena cerberus, Pachliopta aristolochiae.
Content: alkaloids, 7-Hydroxyaristolochic acid A.