| Scientific Name: | Quercus x warei 'Long' |
| Common Name: | Regal Prince oak |
| Family Name: | Fagaceae |
| Origin: | Garden origin |
| Hardiness Zone: | Zone 4: (-34 to -29 °C) |
| Plant Type: | Tree - deciduous |
| Mature Size: | 10 - 15m x 5 - 7m (height x width) |
| Habit: | Stiffly upright, Twiggy |
| Form: | Columnar, Oval - vertical |
| Texture: | Medium |
| Landscape Uses: | Hedge row, Screening, Shade tree, Small garden/space, Specimen plant, Street (boulevard tree), Summer interest, Tall background |
| Exposure: | Full sun |
| Soil or Media: | Acidic, Rocky or gravelly or dry, Well-drained |
| Leaves: | Simple, Lobed, Alternate, Leathery, Pinnate venation, Glabrous, Lustrous, Elliptic, Obovate, Pinnately lobed |
| Flowers: | Catkin (ament), Green-yellow, Apr |
| Fruit: | Nut, Brown, Sep-Oct |
| Key ID Features: | |
| Upright habit, fastigiate; leaves elliptic before maturing mostly obovate, 10-16cm long x 6-9cm wide, lobes more shallow but similar to Garry oak, dark green on top and whitish on the underside. Winter ID: fastigiate shape; twigs grooved, grey-brown, buds ovoid, ~2mm long; leaf scars half-round with about 6 scattered bundle scars | |