linear, oblong, lanceolate
blue, pink, purple, white
July - October
0.4 - 1.5
A perennial forb to .3-1.2 m tall in intermediate to brackish marsh. It has opposite, linear leaves to 4 mm wide. Similar to L. alatum which has alternate leaves above and opposite below with leaves 10-14 mm wide.
Salt and brackish marshes and coastal plain.