HABIT	A PERENNIAL HERB WHICH GROWS AS AN EMERGED, AQUATIC PLANT, ROOTED IN THE SOIL OR IN THE SUBSTRATE BELOW SHALLOW WATER.
STEMS	FISTULAR.
LEAVES	DARK-GREEN WAXY LEAVES WHICH ARE LANCESHAPED AND OPPOSITE. THEY ARE 12-14 CM LONG AND 1.5-2.5 CM WIDE.
FLOWERS	THE INFLORESCENCE IS WHITE, BALL-SHAPED, 1.5 CM IN DIAMETER AND PAPERY.
SEEDS	DISC SHAPED TO FLATTENED WEDGE SHAPED, 0.7-0.9MM DIAMETER, REDDISH BROWN, SMOOTH AND UNDULATED.