HABIT	AN ANNUAL OR BIENNIAL LEGUME.
STEMS	ERECT, BRANCHING, TYPICALLY SINGLE FROM BASE, GLABROUS OR WITH A FEW SPARSE HAIRS.
LEAVES	ALTERNATE, TRIFOLIOLATE, STIPULATE. STIPULES LINEARATTENUATE, 4-5 MM LONG. LEAFLETS SUBEQUAL (THE TERMINAL SLIGHTLY LARGER), OBLONG TO OBLONGOBLANCEOLATE, SERRATE-DENTATE, GLABROUS, UP TO 3 CM LONG, 1 CM BROAD.
FLOWERS	SMALL, WHITE, ARRANGED IN MANY-FLOWERED TERMINAL AND AXILLARY RACEMES.
FRUITS	POD, DARK BROWN TO BLACK AT MATURITY, OVOID, 2.5-4 MM LONG, WITHOUT HAIRS, AND CROSS-RIBBED.
SEEDS	2-2.5 MM LONG; 1.5 MM WIDE; OVAL, ONE SIDE PLANE, THE OTHER SIDE ROUNDED; YELLOWISH OR GREENISH YELLOW; SMOOTH.