HABIT	LONG, CLIMBING VINE.
STEMS	BASALLY WOODY, PERENNIAL, TWINING, AND GLABROUS.
LEAVES	SIMPLE AND THE BLADES ARE CIRCULAR IN OUTLINE, 6-16 CM LONG AND WIDE, THE BASE IS CORDATE, AND MARGINS ARE PALMATELY 5-7 LOBED ALMOST TO THE BASE. THE LOBES ARE 8-20 CM LONG, 9-20 CM WIDE, OVATE, 3-9 CM LONG, 1-5 CM WIDE, AND LEAF MARGINS ARE ENTIRE.
FLOWERS	FLOWERS USUALLY OCCUR IN CLUSTERS AND FULLY BLOOM IN SUNLIGHT AND CLOSE UNDER CLOUDY CONDITIONSAND IN THE DARK. THE COROLLA IS YELLOW, GLABROUS, FUNNELFORM, CONTORTIPLICATE, ENCLOSED BY THE SEPALS IN BUD.
FRUITS	GLOBOSE TO DEPRESSED GLOBOSE AND 3-3.5 CM IN DIAMETER
SEEDS	BLACK TO DARK-BROWN, OVOID, 1.5-2 CM LONG, SMOOTH SURFACED, AND COVERED WITH SHORT, ERECT, PUBERULENT INDUMENTUM.