Jagera pseudorhus, commonly named foambark, is a species of rainforest trees, in the northern half of eastern Australia and in New Guinea, constituting part of the flowering plant family Sapindaceae.

Named for the saponin foam that forms on the bark after heavy rain.

Two varieties have formal botanical descriptions: Growing to 30 m (98 ft) tall and 50 cm (20 in) in trunk diameter.

Yellow brown flowers form on panicles in the months of March to May.

Fruit eaten by the Australian king parrot and the green catbird.