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Woody Plants Group 2b

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Woody Plants Group 2b

  1. 1. Group 2 B <ul><li>Cercis canadensis </li></ul><ul><li>Gleditsia triacanthos var. inermis </li></ul><ul><li>Gymnocladus dioca (dioicus) </li></ul><ul><li>Koelreuteria paniculata </li></ul><ul><li>Robina pseudoacacia </li></ul><ul><li>Sophora japonica </li></ul><ul><li>Eastern Redbud </li></ul><ul><li>Thornless Honeylocust </li></ul><ul><li>Kentucky Coffeetree </li></ul><ul><li>Goldenrain Tree </li></ul><ul><li>Black Locust </li></ul><ul><li>Japanese Pagoda Tree </li></ul>
  2. 2. Fabaceae family flower                                                                                                                 
  3. 3. Cercis canadensis Eastern Redbud
  4. 7. ID Cercis canadensis <ul><li>a small, deciduous tree </li></ul><ul><li>20' to 30' tall </li></ul><ul><li>25' to 35' wide zigzag stem growth </li></ul><ul><li>heart-shaped leaves </li></ul><ul><li>numerous rosy-pink pea-like flowers </li></ul><ul><li>short main trunk </li></ul><ul><li>scaly dark brown bark with orange inner bark </li></ul><ul><li>broad rounded to flat-topped shape when mature </li></ul><ul><li>persistent legume pod fruits </li></ul><ul><li>flower buds stalked and in clusters </li></ul>
  5. 8. Cercis canadensis liabilities <ul><li>twig kill and dieback in zones 5 and 4 </li></ul><ul><li>wood can be brittle with trees splitting at crotches </li></ul><ul><li>persistent fruits can be objectionable </li></ul><ul><li>canker </li></ul><ul><li>tends to be short-lived, especially when exposed to chronic stresses </li></ul>
  6. 9. Gleditsia triacanthos var. inermis Thornless Honeylocust
  7. 10. ID Gleditsia triacanthos <ul><li>pinnate and bipinnately compound leaves </li></ul><ul><li>upright-spreading, arching or horizontal branching </li></ul><ul><li>large thorns on trunk and branches </li></ul><ul><li>large flat, twisted pods </li></ul>
  8. 11. Gleditsia triacanthos <ul><li>a medium to large deciduous tree </li></ul><ul><li>50' to 60' tall </li></ul><ul><li>spread is usually equal to height </li></ul><ul><li>branching is upright-spreading to arching or more or less horizontal </li></ul><ul><li>some trees become nearly flat-topped </li></ul><ul><li>rather loose and open </li></ul><ul><li>casts only light shade </li></ul><ul><li>develops a short main trunk </li></ul>
  9. 15. Gleditsia triacanthos liabilities <ul><li>large thorns can be dangerous </li></ul><ul><li>pods can be messy </li></ul><ul><li>bagworm </li></ul><ul><li>spider mites </li></ul><ul><li>mimosa webworm </li></ul><ul><li>pod gall midge </li></ul><ul><li>cankers </li></ul>
  10. 16. Gymnocladus dioicus Kentucky Coffeetree
  11. 17. Gymnocladus dioicus <ul><li>a large deciduous tree </li></ul><ul><li>grows up to 75' tall or even larger </li></ul><ul><li>develops a 40' to 50' spread </li></ul><ul><li>upright to irregular branching </li></ul><ul><li>coarse, but picturesque branching in winter </li></ul>
  12. 19. Gymnocladus doicus ID <ul><li>buds embedded in wood, barely visible through a small &quot;belly button&quot;-like opening </li></ul><ul><li>bud considerably above the leaf scar </li></ul><ul><li>female plants with large, chunky pods </li></ul><ul><li>large heart - shaped leaf scars </li></ul>
  13. 21. Koelreuteria paniculata Golden Raintree
  14. 25. ID Koelreuteria paniculata <ul><li>sparsely branched medium-sized tree of rounded outline </li></ul><ul><li>yellow flowers in mid-summer </li></ul><ul><li>inflated fruits </li></ul><ul><li>twigs brownish with conspicuous lenticels </li></ul><ul><li>Alternate, pinnately compound leaves </li></ul><ul><li>Distinct seed pods </li></ul>
  15. 26. Robinia pseudoacacia Black Locust ID <ul><li>pinnately compound blue-green leaves </li></ul><ul><li>narrow crown widest near the top </li></ul><ul><li>white pendulous clusters of pea-like flowers; fragrant </li></ul><ul><li>rope-like, thick, gray bark </li></ul><ul><li>persistent flat brown pods </li></ul><ul><li>stems glabrous with thorns around the buds on vigorous shoot </li></ul>
  16. 31.                                                              
  17. 34. Robinia pseudoacacia liabilities <ul><li>Messy </li></ul><ul><li>spread by seed and root suckers </li></ul><ul><li>locust borer </li></ul><ul><li>leaf miner can totally disfigure plants by summer making them appear as through hit by a flame thrower </li></ul>
  18. 35. ‘Purple Robe’
  19. 36. Purple Robe high to moderate water
  20. 37. Sophora japonica Japanese Pagoda Tree
  21. 38. Sophora japonica <ul><li>Big 40-60’ tree </li></ul><ul><li>Alternate, pinnately compound dark green leaves </li></ul><ul><li>No Fall color </li></ul><ul><li>White, pea-like flower in Summer </li></ul><ul><li>3-8” string like pod </li></ul>
  22. 41. Flowers in August
  23. 43. Sophora japonica ID <ul><li>olive-green bark on stems and young branches with raised tan lenticels </li></ul><ul><li>fleshy, greenish pod as a fruit with constrictions between seeds </li></ul><ul><li>upright wide spreading habit </li></ul><ul><li>pea-like flowers </li></ul><ul><li>terminal fruit persists </li></ul>
  24. 44. Liabilities <ul><li>twig kill in severe winters </li></ul><ul><li>canker that is made worse by cold injury </li></ul><ul><li>can be messy due to dropped petals, fruit, and leaves </li></ul>
  25. 45. Pendula – no flowers
  26. 46. ‘Regent’ <ul><li>This superior form is probably the most common selection in commerce </li></ul><ul><li>It grows more quickly to form a broad-rounded crown to 50' tall </li></ul><ul><li>It reportedly begins to flower earlier than seedlings, plus the foliage is glossy and handsome. </li></ul><ul><li>It has performed well in urban, polluted areas. </li></ul>
  27. 47. ID from Photographs
  28. 48. ID by Leaf
  29. 53. ID by Flower
  30. 57. ID by Fruit
  31. 59. Small Pod
  32. 60. Long Pod
  33. 61. Chunky pod
  34. 63. ID by entire tree

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