Perennial herb to 3 m tall. Stems prostrate or climbing, winged. Leaves with a terminal 3-branched tendril; stipules to 6 cm long, with longitudinal nerves. Leaflets paired, to 15 cm long, 5 cm wide, linear to elliptic, reticulately veined. Flowers of 5-15 flowers, purplish, pink or white; summer. Fruit pod to about 10 cm long, hairless, containing 10-15 rough seeds.
Available as a range of different coloured cultivars including 'Albus', 'Pink Pearl' and 'White Pearl'.
Source: (2002). Fabaceae. In: . Horticultural Flora of South-eastern Australia. Volume 3. Flowering plants. Dicotyledons. Part 2. The identification of garden and cultivated plants. University of New South Wales Press.