LANDSCAPE PLANTS II
Fall
Sample Exam #2
Please use a soft-leaded pencil on the score sheet.
Match the Genus with the Appropriate Family:
1. Weigela A. Berberidaceae
2. Forsythia B. Buxaceae
3. Calluna
4. Hibiscus C. Caprifoliaceae
5. Mahonia D. Ericaceae
6. Corylopsis
7. Potentilla E. Hamamelidaceae
8. Schizophragma F. Hydrangeaceae
9. Liriodendron
10. Deutzia G. Malvaceae
11. Malus H. Magnoliaceae
12. Philadelphus
13. Sambucus I. Oleaceae
14. Rhodotypos J. Rosaceae
15. Physocarpus
Use A or 1 for True; B or 2 for False
16. Family names usually end in adeae.
17. Ilex crenata, Oxydendrum arboreum, and Arctostapylos uva-ursi have red fruit.
18. Ilex, Aesculus, and Ligustrum fruit can be harmful if eaten by children.
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19. Leaf miners can ruin the aesthetic value of Ilex verticillata.
20. Cornus sericea is a native red-stemmed dogwood that grows well in wet sites.
21. Calluna and Erica, and Cornus canadensis would be good plants for rock gardens.
22. Cornus mas has exfoliating bark and flowers after the leaves appear.
23. Liriodendron tulipifera and Oxydendrum arboreum have red fall color.
24. Cornus mas flowers after Cornus sericea.
25. Enkianthus campanulatus and Erica carnea have urn-shaped flowers like most of the Ericaceae.
26. Polyploidy and apomixis are common in Crataegus and Rubus.
27. Fire blight is a bacterial disease of the Rosaceae that is often fatal. Shoot tips turn brown or black and hang down.
28. Oxydendrum, Hamamelis, Parrotia and Liriodendron and have yellow fall color.
29. Syringa reticulata is a tree-like lilac that has white flowers, and bark resembling Pyrus.
30. The Bradford Pear cultivars were selected for their mildew resistance.
31. Prunus tomentosa is a hardy, early flowering cherry in Michigan.
32. Kerria japonica has green stems and white flowers with 4 petals, while Rhodotypos scandens has yellow flowers with
5 petals.
33. Sambucus canadensis, Ilex verticillata, and Chaenomeles are good plants for wet sites.
34. Yucca filamentosa has white or cream-colored flowers on a tall flower stalk, and straight leaf fibers.
35. Lonicera fragrantissima is the latest flowering honeysuckle that we studied.
36. Leaf blotch and leaf scorch are common problems of Aesculus hippocastanum.
37. Myrica pensylvanica is a salt tolerant shrub with aromatic leaves amd gray fruit.
38. The Tree Peony is suffrutescent, which means the stems naturally die back somewhat each year.
39. Clematis species always flowers on new growth.
40. Mahonia aquifolium, Corylopsis glabrescens, and Cornus mas have showy yellow flowers.
41. White bottlebrush-like flowers are characteristic of Fothergilla.
42. Aesculus parviflora has suckering growth and bottlebrush flowers.
43. Schizophragma hydrangeoides differs from Hydrangea quercifolia by having cinnamon-brown exfoliating bark
and flowers clusters with a ring of sterile outer flowers.
44. Cornus sericea and Cornus sanguinea are two early flowering, red stemmed Dogwoods.
45. Many of the Ericaceae grow best in acid soils and need wind protection.
46. Arctostaphylos uva-ursi and Prunus serotina grow well in poor, sandy soil.
47. Amelanchier has white flowers and fruits that are readily eaten by birds.
48. Showy edible blue fruit are found on Vaccinium corymbosum.
49. Pieris, Vaccinium, and Leucothoe have showy white urn-shaped flowers.
50. 'Roseum Elegans' is a popular cultivar of Rhododendron catawbiense.
51. Ilex crenata is easily confused with Buxus at a distance, but a close look shows that Buxus has opposite leaf
arrangement while Ilex crenata has alternate leaf arrangement.
52. Hamamelis virginiana grows well in wet sites, has yellow flowers in the Fall, and yellow fall color.