Scientific Name: Pterocarya spp.
Common Name: wingnut
Family Name: Juglandaceae
Origin: Canada - eastern, Central / west Asia, S.E. Asia / Japan / China
Hardiness Zone: Zone 5: (-29 to -23 °C)
Plant Type: Tree - deciduous
Mature Size: 15 - 22m x 15 - 25m (height x width)
Habit: Horizontal, Open, Spreading
Form: Oval - vertical, Round
Texture: Medium - coarse
Landscape Uses: Shade tree, Specimen plant, Street (boulevard tree), Winter interest
Exposure: Full sun
Soil or Media: Well-drained
Leaves: Compound, Alternate, Soft flexible, Lustrous, Distinctive smell, Odd-pinnate, Elliptic, Lanceolate, Oblanceolate, Oblong, Serrulate
Flowers: Catkin (ament), Green-yellow, Apr-May
Fruit: Nut, Samara, Green, Jun
Key ID Features:
Leaves pinnately compound, up to 40cm long, with (7-)13-21(-27) mostly lanceolate, finely toothed, stalkless leaflets that are each 5-12cm long; male catkins up to 12cm long, female catkins up to 50cm long; winged-nut clusters on persistent pendulous trusses. Winter ID: cyclindrical flower buds; pith chambered.