LANDSCAPE PLANTS II

Spring

Sample Exam #3

Please use a soft-leaded pencil on the score sheet.

Match the Genus with the Appropriate Family:

1.          Lonicera                                                                A. 

2.          Sambucus                                                              B.         Berberidaceae

3.          Mahonia

4.          Parrotia                                                                 C.         Buxaceae

5.          Hibiscus                                                                D.         Caprifoliaceae

6.          Amelanchier

7.          Malus                                                                    E.         Ericaceae

8.          Hydrangea                                                             F.         Hamamelidaceae

9.          Ligustrum

10.        Pachysandra                                                          G.         Hydrangeaceae

11.        Philadelphus                                                          H.         Malvaceae

12.        Deutzia

13.        Chionanthus                                                          I.          Oleaceae

14.        Prunus                                                                   J.          Rosaceae

15.        Gaultheria

 

Use A or 1 for True; B or 2 for False

 

16.        Family names usually end in aceae according to the International Code of Botanical Nomenclature.

 

17.        Ilex crenata, Ilex verticillata, Cornus mas, and Ilex opaca have red fruit.

 

18.        Plants of both Hydrangea and Viburnum are sometimes called Snowball Bushes.

 

19.        Leaf miners can ruin the aesthetic value of Ilex opaca.

 

20.        Cornus sericea is a native red-stemmed dogwood that grows well in wet sites.

 

21.        Arctostaphylos, Calluna and Erica would be good plants for rock gardens.

 

22.        Cornus kousa flowers in the Spring before the leaves appear.

 

23.        Liriodendron tulipifera, Corylopsis glabrescens, and Oxydendrum arboreum have red fall color.

 

24.        Cornus mas flowers after Cornus sericea.

 

25.        Kalmia latifolia has white urn-shaped flowers like most of the Ericaceae.

 

26.        Polyploidy and apomixis are common in Crataegus.

 

27.        Fire blight is a bacterial disease of the Rosaceae that is often fatal.

 

28.        Liriodendron, Hamamelis, and Fraxinus have yellow fall color.

 

29.        Syringa reticulata is a tree-like lilac with bark resembling Prunus

 

30.        The Bradford Pear cultivars were selected for their Fire Blight resistance.

 

31.        Prunus tomentosa is one of the hardiest cherries that we studied.

 

32.        Kerria japonica has green stems and yellowflowers with 5 petals, while Rhodotypos scandens has white flowers

 with 4 petals.

 

33.        Sambucus canadensis, Ilex verticillata, and Aronia are good plants for wet sites.

 

34.        Yucca is a member of the Liliaceae family, and has white or cream-colored flowers on a tall flower stalk.

 

35.        Lonicera maackii is the latest flowering honeysuckle that we studied.

 

36.        Leaf blotch and leaf scorch can be problems of Aesculus hippocastanum.

 

37.        Myrica pensylvanica is salt tolerant, usually dioecious, and has aromatic leaves and fruit.

 

38.        The Tree Peony is suffrutescent, which means the stems partially die back each year.

 

39.        Paeonia is a member of the Paeoniaceae that always flowers on new growth.

 

40.        Mahonia aquifolium, Corylopsis glabrescens, and Cornus mas have showy yellow flowers.

 

41.        Aesculus, Ligustrum, and Daphne have poisonous fruit.

 

42.        Aesculus parviflora has suckering growth and white, bottlebrush-like flowers.

 

43.        Hydrangea quercifolia has cinnamon-brown exfoliating bark and flower clusters with four petaled sterile outer

 flowers.

 

44.        Many of the Ericaceae grow best in acid soils and need wind protection.

 

45.        Cornus canadensis is a ground cover with red fruit..

 

46.        Arctostaphylos uva-ursi is an evergreen ground cover in the Ericaceae family that has red fruit.

 

47.        Prunus serotina, is a native cherry that is the source of a valuable wood, and can grow in dry, gravelly sites.

 

48.        Showy edible red fruit are found on Lonicera fragrantissima and Cornus kousa.

 

49.        Forsythia x intermedia and Lonicera japonica ‘Halliana’ sometimes have lobed leaves.

 

50.        Prunus species usually flower before Malus species, and Prunus species usually have glands on the petiole.

 

51.        Viburnum carlesii and Viburnum x burkwoodii have flower clusters with pink buds that open white.

 

52.        Cotoneaster apiculatus has a pronounced fishbone branching pattern and red fruit.