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