Shrub or small tree to 4 m tall with pendent, soft-hairy branches. Leaflets narrowly elliptic,1-4.5 cm long, 0.5-1.5 cm wide. Flowers in terminal clusters. Corolla cream to white, standard 14-17 mm long, wings and keel nearly as long; late winter to early spring. Fruit pod flat, 4-5 cm long, hairy; seed about 1 cm long. Syn. Cytisus prolifer L. f., misapplied, Chamaecytisus proliferus (L. f.) Link, Chamaecytisus proliferus (L. f.) Link subsp. palmensis (Christ) Kunkel]
Often used as a fodder tree and naturalised, often around old habitations, in WA, SA and E Australia.
C. albus (Hacq.) Rothm., Portuguese Broom, is occasionally listed; it is a shrub less than 1 m tall with white flowers through summer to autumn. Syn. Cytisus albus Hacq. Some plants listed under this name may be C. multiflorus.
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.