Stipules small, ovate, pointed. Peduncles axillary, much 
longer than the petiole, bearing a raceme of erect, secund 
flowers. Pedicels about as long as the calyx, which latter 
is hairy with dusky pubescence. Corolla dark, black- 
purple. Vexillum oblong, remarkably retrofracted, pale 
yellow in the disk. Wings as long as the keel, narrow, 
the extremities spreading. Keel nearly straight. Stamens 
ten, diadelphous. Style a little longer than the stamens, 
Stigma small, capitate. 
