KEY TO THE SPECIES

1	Branchlets not tuberculate, glabrous; petiole and pinnae glabrous, leaflets ovate-elliptic or elliptic-oblong, 6.3-18 by 3.7-8.5 cm Archidendron ptenopum
1'	Branchlets tuberculate, bristly rusty setose; petiole and pinnae bristly rusty setose, leaflets oblong-lanceolate, 14.5-24(-30) by 5-6.5(-9.5) cm. Archidendron hispidum