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