Large pubescent climber, leaves to 120mm x 85mm pubescent above tomentose beneath, axillary racemes to 120mm expanding to 180mm in fruit, whitish flowers, pubescent calyx with tube 8mm x 7mm & upper lobes 3mm long, lateral lobes 4mm long, bottom lobe 6mm long, greenish-white petals 20mm x 13mm, legume to 170mm x 35mm covered in sharp bristles