Acer Flashcards

1
Q

How many taxa in acer?

A

49

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2
Q

What kind of flowers are characteristic of maples?

A

Erect Corymbs, Monoecious or Dioecious

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3
Q

Leaf arrangement of Acer?

A

Opposite

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4
Q
  • Acer campestre
  • Soil Type/pH range?
  • Used as:
A
  • Hedge Maple
  • Wide range of soils, and pH types
  • Small tree, under utility lines, hedges in Europe
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5
Q
  • Degrees between samaras of Acer campestre fruit

- What color as they Mature?

A

~180, “no less than 90”

-Brown

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6
Q

-Acer campestre leaves are ___ lobed and have ___ margins, with a ___ inch long petiole

A

3-5, entire, 4

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7
Q

This maple has a milky sap in the leaves when detached

A

Acer campestre

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8
Q

3 Acer campestre cultivars?

A

‘Carnival’ - verregated white/hgreen,
‘Panacek’ - Gold fall color
‘Louisa Red Shine’ - Reddish green

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9
Q
  • Acer griseum
  • Soil type/pH range
  • Used as:
A
  • Paperbark Maple
  • Wide range of both
  • Specimen tree, often multi-trunk
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10
Q
  • Acer griseum texture
  • Growth rate
  • Form
A
  • Medium-fine
  • Very slow
  • width 1/2 of height
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11
Q

Acer griseum length of pendulous pubescent peduncles? Fruits are ___ degrees, and ___ inches long

A

1 inch, 60-90, 1-1.5

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12
Q
  • Acer griseum leaf type?
  • Terminal leaflet is ___-stalked, lateral are ___ , underside is pubescent along ___ and Petiole.
  • Lobes?
A
  • Compound trifoliate
  • Short, sessile, vein
  • Few small lobes
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13
Q

Acer griseum cultivars?

A

None important

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14
Q
  • Acer japonicum
  • Soil type/pH?
  • Uses?
A
  • Fullmoon maple
  • Not as wide a range? slightly acidic?
  • Specimen tree
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15
Q
  • Acer japonicum texture
  • Growth rate
  • Form
A
  • Medium-fine
  • Very slow
  • Width > or equal to height
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16
Q

Acer japonicum flower type, with ___ inch long pendulous pubescent peduncles.
-Color of flowers/anthers

A
  • Corymbs, one

- Red/yellow

17
Q

Acer japonicum-Fruits are __-__ degrees, __ to __ inches long
-Color of wing/seed

A
  • 60-90, 1-1.5

- red/green

18
Q

Acer japonicum leaves have __ - __ lobes, petiole is __-__ inches long
-Underside is colored ___ and has ___ colored pubescence along vein

A
  • 7-11, 1-1.5,
  • Pale green, White
  • Can be dissected or non-dissected
19
Q

Acer japonicum cultivar

A

‘Aureum’

20
Q
  • Acer negundo
  • Growth rate
  • Texture
  • Form
A
  • Boxelder
  • Fast
  • Coarse
  • Width usually > height, unevenly rounded
21
Q
  • Acer negundo range

- Trash tree because

A
  • Canada to Mexico

- Weak wood, short-lived, litter

22
Q

-Acer negundo flowers: Mono or Dio?

A

-Dioecious, many long flowers dangling

23
Q

Acer negundo fruit- ___ degrees or less, __-__ inches long

A

-60, 1-1.5

24
Q

-Acer negundo leaves are ___ ___ compound, with __-__ leaflets, lateral is sessile, with __-__ inch long petiole. Leaves ___ pubescent

A

-Odd pinnately, 3-9,2-3, slightly

25
Q

Acer negundo stems are ___ when crushed, and have ___ waxy substance

A

Malodorous (stinky), white

26
Q

2 Acer negundo cultivars

A

‘Kelly’s Gold’ ‘Flamingo’

27
Q

-Acer Palmatum

-

A

-Japanese Maple