| swainsona | (n) a genus of Australian herbs and subshrubs: darling peas, Syn. genus Swainsona |
| hairy darling pea | (n) shrubby perennial of southern Australia having downy or woolly stems and undersides of leaves and racemes of red to pink flowers, Syn. Swainsona greyana, Swainsona grandiflora |
| smooth darling pea | (n) erect or trailing perennial of eastern Australia having axillary racemes of blue to purple or red flowers, Syn. Swainsona galegifolia |