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PLSC 330 > Acer- maple > Flashcards

Acer- maple Flashcards

1
Q

Acer

A

maple

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2
Q

Acer- characteristics

A

large shallow rooted deciduous trees, shrubs or shrub-like trees
Leaves are opposite, plamately lobed and simple
flowers are imperfect and can be monoecious or dioecious depending on the species

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3
Q

Acer negundo

A

manitoba maple

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4
Q

manitoba maple- characteristics

A

single or multi-trunked
wide spreading
often as wide or wider than as tall
native eastern Sask
hardy, tolerates varoius soils and growing conditions
common street and park tree
PFRA shelterbelt tree

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5
Q

Manitoba maple- buds

A

glaucous new stems
opposite buds- often covered with white bloom
terminal buds much larger than axillary buds
internode space can be large on seedlings

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6
Q

Glaucous

A

greyish blue waxy coating on plants that can be rubbed off

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7
Q

Manitoba Maple- leaves

A

compound, odd pinnate
3-7 leaflets
3-5 is most common
the only maple with compound leaves; all other have simple leaves
margins vary from almost entire to sparsely serrate

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8
Q

Manitoba Maple- seeds

A

seeds are paired and same size
samaras, pairs, equal size
wing longer than seed

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9
Q

Manitoba Maple- dioecious

A

female flowers; lack colour- not showy
male flowers- reddish, therefore more noticeable

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10
Q

Manitoba Maple- autumn colouration

A

moslty golden yellow but can have tones of red or purple

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11
Q

Manitoba Maple- insects

A

Often attract aphids which secrete sticky honeydew on area below the tree; not recommended near decks, patios, driveways, etc.
attracts box elder bug; nuisance bug as they want to overwinter in homes; amass in autumn in hot locations; not harmful to tree

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12
Q

Acer saccharinum

A

Silver Maple

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13
Q

Silver maple- characteristics

A

monoecious
under side of leaf is silver
top side of leaf is shiny, often lighter green
Big tree
one of the largest trees (height) in Sask

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14
Q

Silver maple- buds

A

opposite buds- multiple buds at node
stems and buds not glaucous
new growth reddish with white lenticels
older growth brown

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15
Q

Silver maple- seeds

A

largest samara of acer genus
shed in spring
equal size; 5 cm long
seeds will germinate as soon as they are shed vs other acer germinate the following spring

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16
Q

Silver maple- bark

A

new bark very silvery and smooth
older bark beginning to furrow
lines in bark

17
Q

Silver maple- autumn colouration

A

mostly yellow but can be red/reddish

18
Q

Acer tataricum

A

Tatarian maple

19
Q

Tatarian maple- leaves

A

3 lobed
readily hybridized with Ginnala maple
similar in shape/size to Ginnala
lobes are not as distinct

20
Q

Acer tataricum ssp ginnala

A

Ginnala maple

21
Q

Ginnala maple- leaves

A

3 lobed
palmately veined (3 major veins)
central lobe often much longer than other lobes
lobes distinct
opposite leaf arrangement
long petioles

22
Q

Tatarian Maple- seeds

A

red seed pods quite ornamental

23
Q

Ginnala maple - seeds

A

samaras
seed pairs- one seed often smaller than the other
look like little crab claws

24
Q

Tatarian maple- bark

A

same as ginnala maple
lines on bark

25
Q

Tatarian maple- autumn colouration

A

usually a yellow autumn colouration

26
Q

Ginnala maple- autumn

A

burgundy autumn colouration is common, as is red
can be yellow

27
Q

Acer saccharum

A

Sugar maple

28
Q

Sugar maple- characteristics

A

reportedly one cultivar is hardy for zone 3/4
will find examples in saskatoon, but will also often see winter kill

29
Q

Sugar maple-leaves

A

Canadian emblem
quite different than silver maple
autumn colouration brilliant redS

30
Q

Sugar maple- bark

A

new bark quite silver

31
Q

Acer plantanoides

A

Norway maple

32
Q

Norway maple- characteristics

A

will find examples in saskatoon, but will also often see winter kill
beautiful large trees

PLSC 330 (21 decks)

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