LANDSCAPE PLANTS I
Fall
Sample Exam #3
Please use a soft-leaded pencil on the score sheet.
Match the Genus with the Appropriate Family:
1. Catalpa A. Anacardiaceae
2. Ampelopsis B. Betulaceae
3. Metasequoia
4. Quercus C. Bignoniaceae
5. Pseudotsuga D. Celastraceae
6. Carpinus
7. Fagus E. Cupressaceae
8. Cladrastis F. Fagaceae
9. Paxistima
10. Taxodium G. Leguminosae or Fabaceae
11. Abies H. Pinaceae
12. Thuja
13. Castanea I. Taxodiaceae
14. Rhus J. Vitaceae
15. Euonymus
Use A or 1 for True; B or 2 for False
16. Michigan is mainly in Zone 5 according to the U.S.D.A hardiness zone map, while areas farther north
into Canada would be in Zones 4, 3, and 2.
17. Toxicodendron radicans can grow as a shrub or vine, and it has cream colored or yellowish fruits that are
borne at the tips of the stems.
18. Rhus typhina, Rhus copallina, and Rhus glabra have red fall color and red fruit.
19. Cercis canadensis, Cotinus coggygria, and Acer platanoides have cultivars with purple leaves.
20. Euonymus fortunei, Acer ginnala, Kochia scoparia forma trichophylla, and Nyssa sylvatica have red fall
color.
21. Lindera benzoin, Rhus aromatica, and Sassafras albidum are native shrubs with aromatic stems.
22. Cercis and Catalpa fruit are capsules that resemble bean pods; with the seeds having papery wings.
23. Rhus aromatica, Cladrastis lutea, Metasequoia, and Asimina triloba have yellow fall color.
24. Oak wilt disease is a common problem with the Red Oak subgenus.
25. Iron chlorosis is a common problem with Quercus phellos.
26. Larix laricina is a dioecious Gymnosperm that grows well in wet sites.
27. Stewartia pseudocamellia has fragrant white flowers in summer, decorative bark, flattened reddish buds,
and red fall color.
28. Pinus cembra and Picea omorika are two evergreens with a tall, narrow form.
29. Pinus and Larix needles are borne in clusters on the stems.
30. The small white dots on the five Pinus aristata needles are usually scale insects.
31. Pinus flexilis is the state tree of Michigan and has teeth on its needles.
32. Spur growth is common on Ginkgo. Nyssa, and Larix.
33. Larix laricina, Acer saccharum, Platanus occidentalis, and Taxodium distichum grow well in wet sites.
34. Abies and Chamaecyparis grow best in climates with cool summers.
35. Metasequoia has deciduous branchlets and was first known as a fossil plant before it was found alive in
China.
36. Larix laricina grows in Michigan swamps and bogs.
37. Juniperus has leathery cones that resemble berries, which are used in flavoing gin.
38. Microbiota decussata is a recently introduced evergreen that grows best in sites that are slightly shaded.
39. Platycladus orientalis looks like Thuja occidentalis but Platycladus branches often have a distinctly
vertical orientation, and Platycladus cones have hooks on the back of the cone scales.
40. Taxus can be browsed on by native deer, but it is poisonous to domesticated cattle and horses.
41. Chamaecyparis obtusa `Nana Gracilis' has bright green foliage with branches that look like sea shells.
42. The common fall color of Betula, Gleditsia, Ginkgo, Phellodendron, Rhus, and Populus is yellow.
43. Franklinia alatamaha was collected in Georgia by John Bartram, and is now only known in cultivation.
44. Taxus, Euonymus, and Celastrus fruit have a seed that is completely or partially enclosed by a fleshy aril.
45. Tamarix parviflora, Pinus nigra and Elaeagnus angustifolia grow well in areas with salt spray.
46. Betula and Populus provide much of the yellow fall color in northern Michigan.
47. Buddleja is a shrub.that has angled stems and showy flowers on long pointed clusters.
48. Kohia scoparia forma trichophylla is also named Bassia scoparia forma trichophylls. It is an annual with
red fall color.
49. Salix buds have a single cap-like bud scale.
50. Acer platanoides has pendant flower clusters, and its leaves change color in the fall after those of Acer
saccharum.
51. Ampelopsis brevipedunculata is a vine with showy porcelain-like fruit and lobed leaves.
52. Stewartia pseudocamellia has decorative bark, red fall color, and is in the family Theaceae.