Native to (or naturalized in) Oregon:
- Deciduous tree, 40-50 ft (12-15 m), rounded outline; bark smooth, gray. Leaves opposite, pinnate compound, 5-9 leaflets, each leaflet 5-10 cm long and 2-4.5 cm wide. Flowers white, fragrant, appear with or after leaves, in dense, "string-like", terminal clusters (panicles)7-12 cm long, one of the few ashes with calyx and corolla. Fruit narrow-oblong, 2-2.5 cm long, clusters (unattractive) may hang on until late winter.
- Hardy to USDA Zone 5 Native to southern Europe and western Asia.
- Oregon State Univ. campus: lower campus, near Jefferson Ave. and 11th St.