| Scientific Name: | Gleditsia triacanthos f. inermis |
| Common Name: | thornless honey locust |
| Family Name: | Fabaceae |
| Origin: | Canada - central, Canada - eastern, U.S. - central, U.S. - northeast |
| Hardiness Zone: | Zone 4: (-34 to -29 °C) |
| Plant Type: | Tree - deciduous |
| Mature Size: | 15 - 22m x 10 - 15m (height x width) |
| Habit: | Irregular, Open, Spreading, Twiggy |
| Form: | Irregular, Oval - vertical |
| Texture: | Fine |
| Landscape Uses: | Fall interest, Specimen plant |
| Exposure: | Full sun |
| Soil or Media: | Humus rich, Well-drained |
| Leaves: | Compound, Alternate, Soft flexible, Even-pinnate, Lanceolate, Crenate, Serrulate |
| Flowers: | Raceme, White, Green, May-Jun |
| Fruit: | Legume, Brown, Sep-Oct, (Persistent) |
| Key ID Features: | |
| Leaves alternate, pinnately compound leaves 15-20cm long, most with 19-23 small leaflets. mid-blade these can reach 3-4cm long x 8-1.3mm wide, some leaves bipinnately compound with leaflets 5-7cm long and pinnae up to 15mm long x 5mm wide. Winter ID: crown open; bark mottled gray; branches shiny, zigzag with swollen nodes (some with short spurs); buds very small, clustered of about 5 per node, no terminal bud; leaf scars gnarled; legumes 15-20(-40)cm long x 3cm wide, flattened, twisted, dark brown (absent on some cultivars). | |