Native to (or naturalized in) Oregon:
- Broadleaf deciduous shrub, 8-10 ft (2.4-3 m) tall with somewhat greater spread, arching, multi-stemmed. Leaves opposite, simple, broad-elliptic to elliptic-oblong, 5-13 cm long, acute to acuminate, entire, dark green above, whitish below. Flowers lilac-violet in loose clusters (panicles) that are 10-20 cm long, slightly fragrant; blooms in May-June.
- Hardy to USDA Zone 5 Native to Hungary. Used in developing late flowering lilac hybrids.
- Oregon State Univ. campus: in the court yard behind Shepard Hall; also in lower campus, on 11th St. (across from Dixon Lodge).