Large tree of open habit, deciduous with few leaves on at time of collecting. Trunk stout, pale; branches similar, prickly. On tree at this site: Racemes ± horizontal except for upturned terminal part; flowers secund. Standard c. 6.5-7.3 cm x 2.9-3.3 cm, ovate elliptic except for claw but remaining folded (conduplicate), crimson; wings c. 2.7 cm long; ± elliptic, dark crimson; keels c. 2.5 cm long, free, dark crimson. Stamens 6-7 cm, dark crimson. Style dark crimson.