Climbing or trailing shrub to 10m with glabrescent branchlets armed with recurved prickles to 15mm. Bipinnate leaves with 5-14 pairs puberulous leaflets. Red-brown tomentose terminal panicles, hairy 1.2mm calyx with 0.2mm triangular teeth, greenish-white hirsute corolla to 5mm with 1.5mm lobes. Flattened brown pod to 200mm x 40mm