Ban buri leuang is an evergreen climber with yellow calyx flowers and with the botanical name Allamanda cathartica. In English it is known by a variety of common names, such as Golden Trumpet, Yellow Allamanda, Buttercup Flower, Yellow Bell and Common Trumpet Vine.

This specific one has the Latin botanical name Allamanda cathartica Hendersonii, and is a variety commonly known in English as Brown Bud Yellow Allamanda.