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How to Identify and Classify Spruce Trees - Quiz
Contributed by: Crossley
  • 1. What is the genus name for spruce trees?
A) Picea
B) Pinus
C) Larix
D) Abies
  • 2. Spruce needles are typically what shape?
A) Scale-like
B) Round
C) Four-sided (quadrangular)
D) Flat
  • 3. How are spruce needles attached to the twig?
A) On woody pegs (sterigmata)
B) With a sheath
C) In bundles
D) Directly to the twig
  • 4. Spruce cones typically hang in which direction?
A) Horizontal
B) At an angle
C) Upward
D) Downward
  • 5. Which of the following is a key characteristic of spruce cones?
A) They release their scales individually
B) They disintegrate on the tree
C) They remain on the tree for many years
D) They fall intact from the tree
  • 6. What is the color of needles for the blue spruce?
A) Bluish-green to silvery-blue
B) Yellowish-green
C) Dark green
D) Light green
  • 7. The scientific name for blue spruce is?
A) Picea rubens
B) Picea abies
C) Picea mariana
D) Picea pungens
  • 8. Which spruce species is known for its drooping branchlets?
A) Black Spruce
B) Colorado Blue Spruce
C) White Spruce
D) Norway Spruce
  • 9. The scientific name for Norway spruce is?
A) Picea sitchensis
B) Picea glauca
C) Picea abies
D) Picea mariana
  • 10. Which spruce is often found in boggy or swampy areas?
A) Black Spruce
B) White Spruce
C) Serbian Spruce
D) Red Spruce
  • 11. The scientific name for Black spruce is?
A) Picea mariana
B) Picea rubens
C) Picea omorika
D) Picea pungens
  • 12. Which is not a characteristic that helps identify trees?
A) Cone Type
B) Soil pH
C) Bark Pattern
D) Needle Shape
  • 13. Which spruce has a strong, unpleasant odor when the needles are crushed?
A) White Spruce
B) Red Spruce
C) Norway Spruce
D) Blue Spruce
  • 14. What is a common characteristic of Red Spruce cones?
A) Reddish-brown color
B) Bright blue color
C) Dark purple color
D) Green color
  • 15. Which spruce is native to the Pacific Northwest and is the largest spruce species?
A) Red Spruce
B) Sitka Spruce
C) White Spruce
D) Engelmann Spruce
  • 16. What does 'sterigmata' refer to in spruce identification?
A) Branchlets
B) Woody pegs where needles attach
C) Bark ridges
D) Cone scales
  • 17. The presence of glaucous (bluish-white) bloom on needles helps identify which tree?
A) Red Spruce
B) White Spruce
C) Blue Spruce
D) Black Spruce
  • 18. The scientific name for Engelmann spruce is?
A) Picea abies
B) Picea glauca
C) Picea sitchensis
D) Picea engelmannii
  • 19. Which of these spruces is considered more shade-tolerant?
A) Blue Spruce
B) White Spruce
C) Red Spruce
D) Sitka Spruce
  • 20. The scientific name for Sitka spruce is?
A) Picea rubens
B) Picea abies
C) Picea mariana
D) Picea sitchensis
  • 21. The scientific name for Red spruce is?
A) Picea engelmannii
B) Picea sitchensis
C) Picea abies
D) Picea rubens
  • 22. What does 'glauca' mean in botanical Latin?
A) Black
B) White
C) Bluish-green
D) Reddish
  • 23. The scientific name for White spruce is?
A) Picea mariana
B) Picea pungens
C) Picea omorika
D) Picea glauca
  • 24. Which spruce has needles that are flattened in cross-section?
A) None, spruce needles are typically 4-sided
B) Red Spruce
C) Blue Spruce
D) White Spruce
  • 25. What is the growth habit of Serbian Spruce?
A) Narrow and columnar
B) Rounded
C) Weeping
D) Broad and spreading
  • 26. Engelmann Spruce is commonly found in which type of environment?
A) Swamps
B) High elevations
C) Coastal regions
D) Deserts
  • 27. The scientific name for Serbian spruce is?
A) Picea omorika
B) Picea mariana
C) Picea pungens
D) Picea abies
  • 28. What bark color is commonly associated with mature Black Spruce?
A) Bright red
B) Dark gray-brown
C) Light gray
D) Whitish
  • 29. What does 'pungens' mean in botanical Latin?
A) Small
B) Drooping
C) Fragrant
D) Sharp-pointed
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