Caesalpinioideae

Prickles or thorns absent
Petals yellow Senna
Perfect stamens 4–7; staminodes 3–6. Leaflets flat
Glands on the leaf rhachis absent or reduced to a number of minute bristles. Perfect stamens 7. Bracts brown, broad-ovate, up to 2 cm long, covering the buds, deciduous. Leaves up to 25 cm long, pubescent; leaflets 10–16 pairs per leaf, elliptic, up to 5 cm long and 15mm wide. Legume flat, 15mm wide. Stout, divaricate shrub up to 2 m high. Garden escape near habitation. Introd. from Ethiopia. Fl. most of the year Senna didymobotrya
Glands present on the leaf rhachis or petiole. Bracts narrow