Large liana (stem to 2½ cm Ø). Leaves (l-)2-3-jugate, the leaflets coriaceous, ovate-oblong, acute, towards apex toothed, venation raised on both sides, above fine-tessellate, 6-8½ by 3½-4cm; rachis narrowly winged; petiolules 0-8 mm; petiole near the base above with one or few large, sometimes raised glands, sometimes also one at the articulation of the rachis. Thyrses axillary and terminal or on old wood, 10-15 cm, fine-puberulous. Pedicels 4-10 mm. Calyx 3-5 mm, campanulate, with 5 short, broad-deltoid lobes. Corolla tube yellow, the lobes white (ex typ.)t tube c. 20 mm long and c. 5 mm wide, outside puberulous-papillose, the mouth and upper part of the tube bearded, lobes c. 3-4 mm; no hair-ring at the insertion of the stamens. Stamens included. Disk cupular. Ovary flattened, obconical-oblong, glandless.