Chilopsis linearis (Desert willow)

5/24/2009 · Arizona Sonora Desert Museum, Tucson, Arizona · ≈ 1¼ × 1¾″ (3.5 × 4.4 cm)

Kingdom	Plantae	Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin)
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Magnoliophyta	Flowering plants, also known as angiosperms
Class	Magnoliopsida	Dicotyledons—plants with two initial seed leaves
Subclass	Asteridae	A large class that encompasses asters
Order	Lamiales	Aromatic herbs and shrubs, including lavender, lilac, olive, jasmine, ash, teak, snapdragon, sesame, psyllium, garden sage, mint, basil, and rosemary
Family	Bignoniaceae	After the Abbe Jean Paul Bignon (1662-1743)
Genus	Chilopsis	From the Greek cheilos, “a lip,” and -opsis, “resemblance,” and thus referring to the distinctly lip-like shape of the calyx
Species	linearis	Linear, parallel-sided