HABIT	AN ANNUAL HERB; 15-45 CM TALL.
STEMS	ERECT , USUALLY MUCH DIFFUSELY BRANCHED FROM BELOW, STOUT, HISPID. BRANCHES QUADRANGULAR, HISPID.
LEAVES	LINEAR OR OBLONG, 2.5 TO 7.5 CM LONG WITH BLUNT TIPS AND SCALLOPED MARGINS.
FLOWERS	WHORLS ARE LARGE, TERMINAL AND AXILLARY, ABOUT 2.5 CM IN DIAMETER AND CROWDED WITH WHITE BELL SHAPED FLOWERS.
FRUITS	NUTLETS LONG-OBLONG SUB-TRUNCATE AT THE APEX, SMOOTH AND BROWN.
SEEDS	SUBCYLINDRICAL, TRUNCATE AT APEX, REDDISH BROWN.