Broad-domed, small, delicate tree 3-6 m tall. Leaves alternate, bipinnate, 15-30 cm long, with a large gland 1 cm from the swollen base. Primary leaf divisions 6-12. Leaflets 20-30 opposite pairs, each leaflet to 1.3 cm long, 0.3-0.4 cm wide, with the midrib close to the lower edge, entire, stalkless, the pairs closing at night. Flowers pink, in clusters that sometimes cover the top of the tree. Fruit pod oblong, flat, 10-16 cm long, 1.5-2.5 cm wide.
Iran to Japan.
Source: (2002). Mimosaceae. 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.