Saraca sp. seedpod

A stunning purple seed pod, probably of Saraca sp. (Fabaceae), photographed at Darwin Botanic Gardens, Darwin, Australia. Few photos or species descriptions make reference to these brightly coloured seed pods, so if anyone can confirm the genus or identify to species, that would be greatly appreciated. The white spots on the pod appear to be mealy bugs of some sort, which are being attended by Green Tree Ants.

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