Acer Flashcards
How many taxa in acer?
49
What kind of flowers are characteristic of maples?
Erect Corymbs, Monoecious or Dioecious
Leaf arrangement of Acer?
Opposite
- Acer campestre
- Soil Type/pH range?
- Used as:
- Hedge Maple
- Wide range of soils, and pH types
- Small tree, under utility lines, hedges in Europe
- Degrees between samaras of Acer campestre fruit
- What color as they Mature?
~180, “no less than 90”
-Brown
-Acer campestre leaves are ___ lobed and have ___ margins, with a ___ inch long petiole
3-5, entire, 4
This maple has a milky sap in the leaves when detached
Acer campestre
3 Acer campestre cultivars?
‘Carnival’ - verregated white/hgreen,
‘Panacek’ - Gold fall color
‘Louisa Red Shine’ - Reddish green
- Acer griseum
- Soil type/pH range
- Used as:
- Paperbark Maple
- Wide range of both
- Specimen tree, often multi-trunk
- Acer griseum texture
- Growth rate
- Form
- Medium-fine
- Very slow
- width 1/2 of height
Acer griseum length of pendulous pubescent peduncles? Fruits are ___ degrees, and ___ inches long
1 inch, 60-90, 1-1.5
- Acer griseum leaf type?
- Terminal leaflet is ___-stalked, lateral are ___ , underside is pubescent along ___ and Petiole.
- Lobes?
- Compound trifoliate
- Short, sessile, vein
- Few small lobes
Acer griseum cultivars?
None important
- Acer japonicum
- Soil type/pH?
- Uses?
- Fullmoon maple
- Not as wide a range? slightly acidic?
- Specimen tree
- Acer japonicum texture
- Growth rate
- Form
- Medium-fine
- Very slow
- Width > or equal to height
Acer japonicum flower type, with ___ inch long pendulous pubescent peduncles.
-Color of flowers/anthers
- Corymbs, one
- Red/yellow
Acer japonicum-Fruits are __-__ degrees, __ to __ inches long
-Color of wing/seed
- 60-90, 1-1.5
- red/green
Acer japonicum leaves have __ - __ lobes, petiole is __-__ inches long
-Underside is colored ___ and has ___ colored pubescence along vein
- 7-11, 1-1.5,
- Pale green, White
- Can be dissected or non-dissected
Acer japonicum cultivar
‘Aureum’
- Acer negundo
- Growth rate
- Texture
- Form
- Boxelder
- Fast
- Coarse
- Width usually > height, unevenly rounded
- Acer negundo range
- Trash tree because
- Canada to Mexico
- Weak wood, short-lived, litter
-Acer negundo flowers: Mono or Dio?
-Dioecious, many long flowers dangling
Acer negundo fruit- ___ degrees or less, __-__ inches long
-60, 1-1.5
-Acer negundo leaves are ___ ___ compound, with __-__ leaflets, lateral is sessile, with __-__ inch long petiole. Leaves ___ pubescent
-Odd pinnately, 3-9,2-3, slightly
Acer negundo stems are ___ when crushed, and have ___ waxy substance
Malodorous (stinky), white
2 Acer negundo cultivars
‘Kelly’s Gold’ ‘Flamingo’
-Acer Palmatum
-
-Japanese Maple
