Sprawling shrub or woody climber to 20m+, young branches armed with recurved prickles, glabrous leaves with 38-63 pairs leaflets to 6mm x 1mm. Terminal panicles with 1mm floral bracts, white or yellowish-white flowers, glabrous calyx to 2mm with triangular teeth to 0.5mm, glabrous corolla to 2.2mm with triangular lobes to 0.8mm, red-brown glabrous pod 85mm x 22mm hairy at margins