HABIT	A HERBACEOUS, ANNUAL, 0.3-2 M HIGH.
STEMS	ERECT, BRANCHED, GLANDULAR-HAIRY.
LEAVES	OPPOSITE, BROADLY OVATE TO DELTOID, 7-23 CM LONG AND 7-20 CM WIDE; BASE CORDATE, APEX ACUTE, MARGINS REPAND-DENTATE; PETIOLES 7-18 CM LONG.
FLOWERS	LARGE, FOXGLOVE-SHAPED, PINK AND DARK PURPLE BOTCHED WITH YELLOW INSIDE, BORNE IN 10-20 FLOWERED RACEMES, 4-10 CM LONG.
FRUITS	HARD, WOODY, WITH 2 SHARP RECURVED HOOKS.
SEEDS	OBLONG, BLACK, HAIRY AND SHINING.