Name
1.
(5) Match the genus with the appropriate family.
Fraxinus b. Bignoniaceae
Populus c. Betulaceae
Catalpa d. Aceraceae
Ostrya e. Oleaceae
2.
(4) Draw a leaf of each of the following species.
3.
(3) Draw each of the following leaf margins.
serrate entire lobed
4. (3)
Match each species with the most appropriate geographic range.
Salix alba a. eastern
U.S.
Tilia americana b. Europe
Betula papyrifera c. Asia
d.
Northern U.S. and Canada
5.
(2) Name two genera with trees that have a large nut for a fruit.
6.
(1) What is the importance or value of dioecious flowering to the landscape and
nursery industry?
7.
(5) For each species, provide the genus and English meaning (not necessarily
the common name) and tell to what plant feature (range, habitat, stem, fruit,
leaf, branch, etc.) the species name applies.
Genus English Meaning Plant Feature
rubrm
deltoides
nigra
tremuloides
alleghaniensis
8.
(3) Match each of the following terms with the appropriate definition.
ament
pome a.
dry, indehiscent fruit bearing a wing.
samara b. spike-like
inflorescence comprised of scaly bracts
subtending
unisexual flowers, often flexible
and
pendulous.
c. type of fleshy fruit resulting
from a compound
ovary
(eg. apple).
9. (2) This tree has very small seeds; smooth
whitish-green to yellowish-green bark; ovate-lanceolate leaves with finely
serrate margins; accuminate leaf apex; round petioles; long, pointed
buds covered with a sticky, fragrant substance; achieves its best growth in northwest
Canada and Alaska. It is (botanical and common names):
10.
(1) Name a species noted for producing paper.
11.
(2) Draw the fruit for each of the following species.
Acer
ginnala Aesculus
glabra
12.
(2) In what type of habitat are species that ripen their fruits in the spring
usually found? Name one such species.
13.
(2) Match the following traits with the appropriate group of poplars.
root
from stem cuttings a. aspens
sucker
from roots b. cottonwoods
14.
(2) A bract is (circle one):
a.
A type of inflorescence
b.
A pliable, woody stem rising from the ground
c. A
leafy appendage in some flowers or fruits
d.
A solid, bulb-like underground stem
e.
A coniferous fruit
15.
(2) What does glaucous mean (circle one)?
a.
smooth
b.
rough
c.
a waxy bloom
d.
having short, soft hairs
e.
having a scaly surface
16.
(2) Match the following traits with the appropriate genus.
fruit
with a dehiscent husk a.
Juglans
chambered
pith b.
Carya
17.
(3) Name three species native to South Dakota.
18.
(1) Place an “X” by the species below that is noted for tolerance of drought.
Salix amygdaloides Fraxinus pennsylvanica
Betula papyrifera Populus
deltoides
19.
(2) Draw the following leaf shpes:
lanceolate obovate
20.
(2) What characteristic provides a good way to identify most trees of the Betulaceae
in the winter?
21.
(1) Place an “X” by the species below that is appropriate for use in windbreaks
in South Dakota.
Betula papyrifera Aesculus
hippocastanum
Populus deltoides
Bonus:
(2)
Apart from their cottony seeds, why might members of the aspen group be
objectionable in some landscapes?