Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Angiospermae (Flowering Plants) » Magnoliopsida (Dicots) » Lamiales (mints, plantains, olives, and allies) » Acanthaceae (acanthus family) » Acanthoideae » Justicieae » Justiciinae » Justicia » Justicia americana (American water-willow)