Urceola micrantha is a plant species in the family Apocynaceae. It is a shrub widespread across much of East Asia, Southeast Asia, and the Himalayas.
In Taïwan, it is used in folk medicine as an analgesic, antiphlogistic and spasmolytic agent.[1]
The species contains proanthocyanidin B2, proanthocyanidin A1 and proanthocyanidin A2.