How to Identify and Classify Ash Trees
  • 1. Which leaf arrangement is characteristic of ash trees?
A) Alternate
B) Basal
C) Opposite
D) Whorled
  • 2. What is the typical shape of ash tree leaves?
A) Pinnately compound
B) Spatulate
C) Palmately compound
D) Simple
  • 3. How many leaflets typically make up an ash leaf?
A) 3-5
B) 5-11
C) 1-3
D) 11-15
  • 4. What is the shape of the leaflets on an ash leaf?
A) Needle-like
B) Round
C) Lance-shaped to oblong
D) Heart-shaped
  • 5. What is the margin of ash leaflets typically like?
A) Entire
B) Serrated
C) Smooth
D) Lobed
  • 6. What is the bark of a mature ash tree typically like?
A) Peeling papery bark
B) Diamond-shaped ridges and furrows
C) Scaly plates
D) Smooth and gray
  • 7. What color are ash twigs typically?
A) Bright green
B) Gray to brown
C) Yellow
D) Red
  • 8. What shape are ash buds typically?
A) Stalked
B) Rounded
C) Globose
D) Pointed
  • 9. What color are ash buds typically?
A) Green
B) White
C) Dark brown to black
D) Red
  • 10. What is the shape of ash tree seeds (samaras)?
A) Oar-shaped
B) Triangular
C) Round
D) Berry-like
  • 11. How are ash samaras typically arranged?
A) In cones
B) In pods
C) Singly
D) In clusters
  • 12. Which of these is a common ash species in North America?
A) Eastern White Pine
B) Quaking Aspen
C) White Ash
D) Silver Maple
  • 13. Which of these is another common ash species?
A) Green Ash
B) American Beech
C) Red Oak
D) Paper Birch
  • 14. What is a key difference between white ash and green ash?
A) White ash leaflets are paler underneath
B) Green ash is only found in the east
C) White ash has serrated edges
D) Green ash has opposite branching
  • 15. What is the texture of white ash twigs?
A) Hairy
B) Spiny
C) Smooth
D) Rough
  • 16. What is the texture of green ash twigs?
A) Very hairy
B) Spiny
C) Waxy
D) Slightly hairy or smooth
  • 17. What threat significantly impacts ash trees?
A) Emerald Ash Borer
B) Asian Longhorned Beetle
C) Spruce Budworm
D) Gypsy Moth
  • 18. What part of the ash tree does the Emerald Ash Borer primarily damage?
A) Leaves
B) Roots
C) Inner bark (phloem)
D) Outer bark
  • 19. What is a common symptom of Emerald Ash Borer infestation?
A) D-shaped exit holes
B) Yellowing needles
C) Sap oozing from the trunk
D) Large round holes
  • 20. What is a distinguishing characteristic of Black Ash?
A) Bright red samaras
B) Perfectly smooth bark
C) Alternate leaf arrangement
D) Sessile leaflets
  • 21. What does "sessile" mean in the context of Black Ash leaflets?
A) Having a toothed margin
B) Lacking a stalk
C) Being unusually large
D) Having a hairy surface
  • 22. How can you confirm a tree is an ash tree when leaves are absent?
A) Look for needles
B) Observe the opposite branching pattern
C) Check for thorns on the trunk
D) Smell the bark
  • 23. Which ash species is most susceptible to Emerald Ash Borer?
A) All ash species are susceptible
B) White Ash is resistant
C) Black Ash is resistant
D) Green Ash is resistant
  • 24. What color change often occurs in ash leaves before they drop in the fall?
A) Brown
B) Yellow
C) Red
D) Purple
  • 25. What is the typical habitat of ash trees?
A) Moist, well-drained soils
B) Dry, sandy soils
C) Rocky hillsides
D) Swamps
  • 26. What is a common use for ash wood?
A) Insulation
B) Baseball bats
C) Fuel wood
D) Paper production
  • 27. Which of the following is NOT a characteristic of ash trees?
A) Diamond-shaped bark ridges
B) Needle-like leaves
C) Opposite leaf arrangement
D) Pinnately compound leaves
  • 28. What type of symmetry do ash leaves exhibit?
A) Asymmetry
B) Radial symmetry
C) Bilateral symmetry
D) Spiral symmetry
  • 29. What is the best time of year to identify ash trees using leaf characteristics?
A) Summer
B) Winter
C) Early spring
D) Late fall
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