Justicia americana (American Water Willow) is a species of perennial herb in the family Acanthaceae. They have a self-supporting growth form. They are listed as threatened by COSEWIC. They are native to Canada, The Contiguous United States, Eastern North America, and North America. They have simple, broad leaves and white flowers. Flowers are visited by Sleepy Orange, Phaon Crescent, Anthophila, and Honey bee. Individuals can grow to 2.5 feet.
EOL has data for 68 attributes, including: