HORT 3103 WOODY LANDSCAPE PLANTS
LANDSCAPE
CHARACTERISTICS QUIZ 1
NAME
(Please print) _____________________
There
are 75 possible points on this quiz.
There are 13 questions. READ THE
QUESTIONS CAREFULLY. You will have 25
minutes for this quiz.
Multiple
choice questions are worth three points each.
1.
______ The calyx is comprised of all the
A. anthers
B. pistils
C. sepals
D. petals
2.
______ A tree that is dioecious
A. Has male flowers on
the top half of the tree and females at the bottom.
B. Has female flowers on
the top half of the tree and male flowers at the bottom.
C. Has male and female
flowers mixed together on the same tree.
D. Has only male flowers
on one tree and only female flowers on a different tree.
3.
_____ Compared to the others, this shrub flowers for the shortest period of
time in the calendar year.
A. Rhus chinensis
B. Ceanothus ×delilianus
C. Lagerstroemia indica
D. Hibiscus syriacus
4.
_____ In the managed landscape, the variey inermis of this species is primarily used because it lacks
thorns.
A. Robinia pseudoacacia
B. Catalpa speciosa
C. Gleditsia triacanthos
D. Gymnocladus dioica
5.
_____ Unlike the others, this tree has ornamentally
significant flowers.
A. Platanus occidentalis
B. Robinia pseudoacacia
C. Ulmus
D. Celtis laevigata
6._____
The __________ connects the stigma to the ovary.
A. style
B. filament
C. anther
D. rachis
7._____
Dutch elm disease affects this tree.
A. Celtis occidentalis
B. Ulmus parvifolia
C. Zelkova serrata
D. Ulmus
8.
(18 points) Match the plant with the description.
_____
Powder-blue flowers from early May throughout summer are then followed by
glossy, dark red fruits.
_____‘Ruby
Spice’ and ‘Sixteen Candles’ are two cultivars of this species. In
_____An
_____This
_____The
variety ‘Frisia’ has golden foliage. Despite
rot-resistant wood, borers are a problem.
_____
With this summer flowering shrub triploid cultivars such
as ‘Aphrodite’ and ‘Diana’ are desired because they do not set seed.
A. Clerodendrum trichotomum F. Morus alba
B. Morus rubra G.
Ceanothus ×delilianus
C. Gleditsia triacanthos H.
Robinia pseudoacacia
D. Hamamelis virginiana
E. Clethra alnifolia J.
Heptacodium miconioides
9.
(6 points) Draw a simple, cordate
leaf with a doubly serrate leaf margin.
10.
(15 points) Draw pinnately compound leaves
alternately arranged on a stem. On one leaf, label the petiole, bud, rachis,
and leaflet.
11.
(6 points) Why is it considered poor cultural practice
to prune Buddleja davidii in late
fall? For maximum flowering, when should you prune this shrub?
12.
(6 points). If the average annual minimum winter temperature in Zone 8 is +10
to +20° F, what is the average annual minimum winter temperature in Zone 3?
Show your work.
13.
(3 points) Circle the genus in this scientific name:
Gleditsia triacanthos variety inermis (L.) Zab. ‘Emerald Kascade’
HORT 3103 WOODY LANDSCAPE PLANTS