LANDSCAPE PLANTS II
Fall
Sample Exam #1
Please use a soft-leaded pencil on the score sheet.
Match the Genus with the Appropriate Family:
1. Weigela A. Guttiferae or Clusiaceae
2. Fraxinus B. Caprifoliaceae
3. Kolkwitzia
4. Aesculus C. Hippocastanaceae
5. Sambucus D. Hydrangeaceae
6. Deutzia
7. Hibiscus E. Malvaceae
8. Schizophragma F. Magnoliaceae
9. Liriodendron
10. Hypericum G. Oleaceae
11. Pyracantha H.
12. Philadelphus
13. Spiraea I. Rosaceae
14. Lonicera J.
15. Symphoricarpos
Use A or 1 for True; B or 2 for False
16. Symphoricarpos x chenaultii ‘Hancock’ is a good, fine textured ground cover shrub.
17. Blue or pink flower color changes can be selected in many Hydrangea species by changing the soil pH.
18. Cornus sericea is a native red-stemmed dogwood that grows well in wet sites.
19. Halesia often has striped bark like Lonicera maackii.
20. Ribes aureum is a spiny shrub that leafs out early in the Spring.
21. Cornus canadensis is a shrubby Dogwood with layered branching.
22. Cornus kousa has flowers and bracts after the leaves have appeared.
23. Liriodendron tulipifera has yellow flowers and red fall color.
24. Cornus sericea is a native Dogwooed that flowers before Cornus mas.
25. Chionanthus virginicus leafs out early in the spring.
26. Anise or lemon scented twigs are characteristic of Magnolia stellata.
27. Liriodendron, Cornus and Hamamelis have yellow fall color.
28. Syringa reticulata is a tree-like lilac with cherry-like bark and white flowers.
29. `Meadowlark' is a cold hardy cultivar of Forsythia.
30. Lonicera fragrantissima is the earliest flowering honeysuckle that we studied.
31. Hydrangea paniculata has pointed flower clusters and lanceolate leaves, while Hydrangea arborescens has rounded
flower clusters and rounded leaves.
32. Sambucus canadensis and Viburnum lantana are good plants for wet sites.
33. Hibiscus syriacus has large showy flowers in the summer.
34. Forsythia suspensa and Forsythia x intermedia species occasionally have 3 lobed leaves.
35. Lonicera japonica `Halliana' is the latest flowering honeysuckle that we studied.
36. Leaf blotch disease and leaf scorch are common problems of Aesculus hippocastanum.
37. Both Hydrangea and Viburnum have species that are called snowball bushes.
38. Ornamental Ribes have spines or bristles on the stems.
39. Syringa villosa cultivars are sometimes called French Lilacs.
40. Viburnum opulus is a native species with lobed leaves, red fruit, and sterile outer flowers in its flower clusters.
41. Aesculus and Ligustrum have poisonous fruit.
42. Aesculus parviflora has suckering growth and bottlebrush flowers.
43. Schizophragma has cinnamon-brown exfoliating bark and flowers clusters with the sterile outer flowers having four
petals.
44. Cornus sericea (also known as Cornus stolonifera) is our earliest flowering Dogwood.
45. Many Fraxinus cultivars are selected for their lack of fruit production.
46. Viburnum rhytidophyllum has red or maroon fall color.
47. Viburnum x burkwoodii is one of the early flowering Viburnum that we studied.
48. Cornus mas has showy clusters of yellow flowers that last 3 to 4 weeks or so in the Fall.
49. Halesia carolina is an attractive small tree from the southeastern U.S. that has showy flowers and unusual fruit with
4 wings.
50. Cornus kousa has alligator-skin bark, a red to wine fall color, stratified branching, and showy red fruit.
51. Viburnum carlesii has fragrant flowers and scurfy stems.