HABIT	AN ANNUAL HERB, UP TO 25 CM TALL.
STEMS	SLENDER, ERECT WITH A ROSETTE OF LEAVES A TOP.
LEAVES	SENSITIVE TO TOUCH, PINNATELY COMPOUND. CROWDED INTO A ROSETTE ATOP THE STEM, 3.8-12.7 CM LONG, LEAFLETS 3-12 PAIRS, OPPOSITE, OBLONG, THE TERMINAL PAIR IS THE LARGEST.
FLOWERS	DIMORPHIC, YELLOW, 0.8 CM ACROSS, ON PEDUNCLES OF VARYING LENGTHS UP TO 10 CM.
FRUITS	CAPSULES GLOBOSE OR ELLIPTIC, SHINING, 5-VALVED, APPROXIMATELY 3.5 MM LONG.
SEEDS	MINUTE WITH OBLIQUELY TRANSVERSE TUBERCLED RIDGES.