Liana with densely tomentose branchlets becoming glabrate. 2-foliolate leaves, terminal leaflet replaced by a simple tendril, leaves to 175mm x 67mm, tomentose above & densely tomentose beneath. Axillary racemes with tomentose bracts & bracteoles to 10mm x 4mm. Yellow flowers with calyx 15mm x 7mm, tomentose outside & papillose inside, glabrous corolla to 60mm long with lobes to 15mm sometimes tomentose.