Hairless shrub to about 3 m tall. Leaves 4-6 cm long with a ribbed stalk. Leaflets in 2-3 pairs 1-2 cm apart, each lanceolate, 2.5-5 cm long, about 1 cm wide with a pointed tip and 1 gland between the lowermost pair. Flower clusters of 15-20 flowers. Petals to 1.5 cm long. Fertile stamens 6 or 7. Fruit pods cylindrical, up to 15 cm long, curved.
The name Cassia bicapsularis of horticulture has been misapplied to several species but primarily to S. pendula var. glabrata, S. pendula, S. corymbosa and a range of garden hybrids that may occur between these species. Syn. Cassia bicapsularis of authors not L., C. corymbosa Lam.
S America. An occasional garden escape in NSW.
Source: (2002). Caesalpiniaceae. 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.