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| Northern or Western Catalpa |
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Definition
| Catalpa speciosa - fl. bloom in June-July after leaves, large heart shaped, whorled leaves |
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| Fagus sylvatica - branching to the ground, large pointed bud, fine hairs on twig, lrg. tree, alternate dead leaves persist through winter |
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| Quercus rubra - 7-11 lobes with bristly tips, acorns have a 2 yr set, bark is almost black, cluster red/pointed buds |
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| Quercus alba - orange-red fall color, grey bark, more rounded leaves, acorns have a 1 year set, used for furniture and whiskey |
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| Quercus gambelii - more shrub like, new growth is a reddish brown |
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| Quercus macrocarpa - more ridged bark, acorns are mossy, lrg tree |
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| Quercus bicolor - exfoliating bark, likes more moisture, dark green leaf tops and lighter below, buds are slightly larger than alba |
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| Quercus robur - leaves are like earlobes, enlongated acorns with a small cup, smaller leaves with a very rounded base |
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Definition
| Gingko biloba - oldest deciduas tree, leaf is fan shaped, women stink, slow growing |
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| Liquidambur styracifula - pundulous fruit resembles gumballs, disslikes CO soils |
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| Aesculus glabra - md. tree, stout/smooth stem, palmately compound leaf, like moisture |
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| Leaf where all leaflets branch from one point |
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| Aesculus flava - central leader, good flower color, better for CO soils |
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| Aesculus hippocastanum - dark and resinous bud, palmately compound leaf (5 leaflets), Creamy white flower blooms in May-June |
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Definition
| Carya ovata - bark strips off, likes moisture, odd pinnately compound leaf with 5 leaflets |
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| Juglans cinera - short grey trunk, mustache downy terminal buds, |
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| Juglans nigra - more central, dark bark, fruit is green and turns to brown, large pinnately compound leaves |
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| Leaf has leaflets along both sides of the stem |
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Definition
| Cercis canadensis - sm tree, flower is rosy pink and blooms in late April-May before leaves, good for CO |
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| Cladrastis kentukea - white flowers, smooth grey bark, flowers bloom in June, pinnately compound leaves with large leaflets, hairy bud |
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| Cercis triacanthos - can have thorns 2-3in long, 5 or more buds joined in a node |
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Definition
Gleditsia triacanthos inermis - same lateral swollened joint buds, THORNLESS 'Moraine' - V Shaped 'Shademaster' - Ascending Branches 'Skyline' - More pyramidal + dark green leaves 'Sunburst' - Yellow New Foliage |
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| Gymnocladus diocus - dieschis, coarse grey bark, bipennately compound leaf, stout twigs, lrg tree |
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| Black Locust or Common Locust |
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Definition
| Robinia pseudoacacia - pinnately compound blue-green leaves, white flowers, legum fruit |
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| Sophora japonica - olive green twig, hidden black buds, blooms July-Aug creamy white flowers |
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