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