Leaves alternate, imparipinnate; stipules small, caducous.
Inflorescences racemes, axillary, usually on old wood; bracts small. Calyx tubular, with short broad teeth. Standard recurved and clawed, larger than other petals. Stamens free, longer than petals. Ovary stipitate; style incurved, stigma terminal; ovules several.
Pod large, woody, glabrous, turgid and often partly constricted between seeds, spongy inside between seeds; seeds ± globose, large, aril inconspicuous. Seeds poisonous if eaten.
Distribution and occurrence: World: 1 species, Australia, New Caledonia, Vanuatu. Australia: 1 species
Commonly cultivated as an ornamental and shade tree.
Text by G. J. Harden