HABIT	ANNUAL, ERECT AND OFTEN MUCH BRANCHED HERB, 0.3-1 M TALL.
STEMS	LEAFY, PILOSE OR VILLOUS WITH SPREADING HAIRS.
LEAVES	OPPOSITE, ON RATHER LONG, SLENDER PETIOLES, VERY THIN, BROADLY DELTOID-OVATE, 4-8 CM LONG, OBTUSE OR ACUTE, BASE CORDATE, COARSELY CRENATE, THINLY VILLOUS-HIRSUTE.
FLOWERS	HEADS NUMEROUS, LAVENDER OR PALE BLUE, MANY FLOWERED
FRUITS	ACHENES BLACK, 1.2 MM LONG.