HABIT	ANNUAL HERB.
STEMS	PROSTRATE TO SUBERECT, UP TO 50 CM TALL, BRANCHES PROSTRATE OR ASCENDING, GLABROUS OR PUBESCENT.
LEAVES	LEAF BIFOLIOLATE, PETIOLE 6.0-20 MM LONG; LEAFLETS SESSILE, 0.7-3.0 CM LONG, 3.5-10 MM BROAD, LANCEOLATE, LINEAR-LANCEOLATE OR LINEAR, GLANDULAR PUNCTATE BELOW, GLABROUS.
FLOWERS	SMALL IN 3-12 FLOWERED SPICATE RACEMES, 2.5 CM LONG. PEDUNCLES SLENDER. BRACTS FOLIACEOUS, UP TO 1.3 CM LONG, BLACK DOTTED, COMPLETELY ENCLOSING THE FLOWER AND OFTEN THE ENTIRE POD.
FRUITS	POD 1-6 JOINTED, ENCLOSED BY THE BRACTS OR EXERTED, JOINTS 2.5 MM LONG AND WIDE, INDEHISCENT, COVERED WITH SHORT, STRAIGHT, FULVOUS SPINES
SEEDS	OVOID TO ROUNDED IN OUTLINE, SEED SURFACE SMOOTH, OLIVE, BROWN, OR BLACK.