Each pinna is divided into 50 to 60 pairs of smaller, narrow leaflets each up to a centimeter long.

The inflorescence is a head of flowers dangling at the end of a peduncle up to 45 centimeters long.

[7] The flowers of this tree are pollinated by Old World fruit bats,[8] especially Eonycteris spelaea, which feeds on the nectar.

[6] It is a popular garden tree in India,[4] particularly in Assam and Manipur, where it is a "characteristic feature" of Meitei backyards.

[2] The treebean therefore requires an acquired taste [13] In some areas, the seeds of the related tree species Parkia speciosa (also known as yongchaak, petai or stink beans) are much more popular, and tree bean will be consumed as a second choice.