HABIT	AN ANNUAL HERB, 15-30 CM HIGH.
STEMS	LIGHT GREEN, TERETE, HAIRY.
LEAVES	ALTERNATE, 2-6 CM LONG AND ABOUT ONE-THIRD AS MUCH ACROSS; THEY ARE ELLIPTIC TO OBLONG, FLAT, SMOOTH ALONG THEIR MARGINS. BOTH THE UPPER AND LOWER SIDES ARE HAIRY. THE UPPER SURFACE IS MEDIUM GREEN, WHILE THE LOWER SURFACE IS GRAYGREEN. EACH LEAF HAS A SINGLE CENTRAL VEIN THAT IS PROMINENT. THE PETIOLES ARE HAIRY AND SHORT.
FLOWERS	RACEMES OF 1-4 FLOWERS ARE PRODUCED OPPOSITELY FROM SOME OF THE LEAVES. FLOWERS ARE YELLOW
FRUITS	THE SEED PODS ARE INITIALLY LIGHT GREEN, BUT THEY LATER TURN DARK BROWN OR BLACK AT MATURITY. FULL-SIZED SEEDPODS ARE 2.5-4 CM LONG AND ABOUT 1/3 AS MUCH ACROSS; EACH SEEDPOD CONTAINS SEVERAL SEEDS.