Psoralea cataracta is a species of flowering plant in the family Fabaceae. It was declared extinct in 2008 in the Red List of South African Plants, with a single specimen collected from the Tulbagh Waterfall in 1804. It was rediscovered 200 years later by Brian Du Preez in November of 2019 in the Winterhoek Mountains near Tulbagh. It is endemic to the Western Cape. It is also known by the name waterfall fountainbush.

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