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