Uvaria concava

Uvaria concava, commonly known as calabao, is a plant in the custard apple family Annonaceae found throughout tropical Asia, from India to the Northern Territory and Queensland in Australia. It is a tall vine with a stem diameter up to 5 cm.

Conservation
This species is listed as least concern under the Queensland Government's Nature Conservation Act. , it has not been assessed by the International Union for Conservation of Nature (IUCN).