HABIT	AN ERECT OR DECUMBENT-ASCENDING, ANNUAL HERB.
STEMS	GLABROUS EXCEPT A LINE OF APPRESSED HAIRS.
LEAVES	LINEAR-LANCEOLATE TO OBLONG, OFTEN THE LOWER ONES ROUNDED, MARGINS ENTIRE.
FLOWERS	BLUISH PINK IN LAX TERMINAL RACEMES.
FRUITS	POD STIPITATE, SUBTERETE, GLABROUS, 4-GONOUS, 2-6 JOINTED.
SEEDS	OVOID TO ROUNDED; SMOOTH OLIVE BROWN OR BLACK.