Description: Perennial herbs with ascending to erect stems; roots spreading horizontally underground from which new vertical shoots arise.
Leaves alternate, imparipinnate, stipulate.
Racemes terminal or leaf-opposed, 1–several-flowered; bracts and bracteoles small, shortly pedicellate. Calyx with 5 teeth, not significantly 2-lipped, narrowed basally into a receptacle tube shorter or ± equal to calyx tube. Petals shortly clawed; standard ± semi-circular, reflexed behind other petals; wings and keel obtuse. Stamens monodelphous, sheath split on upper side; anthers uniform, dorsifixed. Ovary shortly stipitate, glabrous; several-ovuled.
Pod compressed; seeds with a small aril.
Distribution and occurrence: World: 2 species, endemic Australia. Australia: N.S.W., N.T., S.A., W.A.
Text by T. A. James
|One species in NSW: Ptychosema anomalum|