Woody climber o trailer with tetragonal stems, glabrous branchlets. Biternate leaves, mid-leaflets to 50mm x 35mm, lateral leaflet to 38mm x 20mm puberulous on lower surface especially ribs. Axillary or terminal cymose panicels to 300mm long with puberulous bracts 1mm long & bracteoles 0.5mm long, 2mm long calyx puberulous outside with tube 1.5mm long glabrous within, 5 puberulous lobes 1.4mm long, 5-lobed yellowish corolla glabrous outside tube to 2.5mm long with lobes to 1mm long. Fruiting calyx with tube to 5mm long, lobes to 19mm x 4mm