Lathyrus
7 species naturalized Aust.; all states and territories except NT
Annual or perennial climber. Leaves alternate, paripinnate, ending in a branched tendril. Flowers in axillary racemes or solitary. Calyx campanulate, regular or 2-lipped. Corolla with a broad standard which is longer than the keels. Stamens united into 2 groups. Ovary sessile or stipitate. Style compressed hairy on upper side.