Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Angiospermae (Flowering Plants) » Magnoliopsida (Dicots) » Lamiales (mints, plantains, olives, and allies) » Bignoniaceae (bignonia family) » Catalpeae » Chilopsis » Chilopsis linearis (desert willow) » Chilopsis linearis arcuata