Native to (or naturalized in) Oregon:
- Deciduous tree, densely pyramidal to oval, rapid growing, to 55 ft (16.5 m) tall and 35 ft (10.5 m) wide, arching with age. Leaves about 7 cm long and 3.5 cm wide, 13-17 vein pairs, fine hairs below, dark green; fall color straw yellow.
- Sun. Resistant to Dutch Elm disease but susceptible to the Elm Leaf beetle.
- Hardy to USDA Zone 5 Hybridized in 1970 by the USDA Nursery Crops Station in Delaware, Ohio and released to commerce through the USDA National Arboretum in 1984. It is a complex hybrid, namely: U. pumila × [(U. hollandica 'Vegeta' × U. minor) × (U. pumila var. pinnatao-ramosa × U. minor 'Hoersholmiensis')] (Jacobson, 1996). Because a component in its complex genetic makeup is U. hollandica, it is sometimes listed as a hybrid of same.
- Corvallis: northeast area of Central Park
- Oregon State Univ. campus: in front of Weatherford Hall, planted 2004.