Twining unarmed shrub, bipinnate leaves to 230mm with 4-5 pairs of setaceous mucronate leaflets to 20mm x 15mm, racemes to 150mm or more long with bract 5mm long subtending each flower, unisexual bright yellow flowers, 5 pubescent sepals 10mm long, 5 yellow glabrous or glabrate petals to 8mm long, glabrous grey-brown legume 50mm x 40mm x 15mm with accrescent style to 22mm