HABIT	ANNUAL OR SHORT LIVED PERENNIAL, 10-70 CM TALL.
STEMS	CULMS SLENDER TO RATHER STOUT, COMPRESSED.
LEAVES	LEAF BLADE PILOSE WITH TUBERCLE BASED HAIRS ON BOTH SIDES.
FLOWERS	CORYMB SIMPLE, COMPOUND OR DECOMPOUND; SPIKELETS OVOID TO OVOID-ELLIPSOID, 3-10 MM LONG.
FRUITS	NUTS OBOVATE TO BROADLY OVATE, 0.7-1.25 MM LONG, CREAMY, EACH SIDE CANCELLATED WITH 7-13 ROWS OF TRANSVERSELY OBLONG CELLS.