Scandent shrub or climber to 21m+ with 1mm long recurved prickles on branchlets, glabrescent young branches and inflorescences, bipinnate leaves with 33-67 pairs of glabrous leaflets to 3.5mm x 0.6mm. Terminal or axillary tomentose panicles with floral bracts, flowers yellowish-white or yellowish-green, calyx to 2.5mm with a glabrous tube, and glabrous teeth to 0.9mm, glabrous corolla to 2.5mm with glabrous lobes, flattened brown pod