Plant List 3a (pines) Flashcards
What are 3 characteristics of Pinaceae?
- mostly trees and shrubs,
- mostly evergreen,
- monoecious,
- resinous,
- needlelike leaves in bundles, solitary, or on stubs
What are 3 uses of the Pinus genus?
timber,
pulp, paper;
turpentine, tar, rosin
What is the binomial name of the most widely distributed tree in Canada?
Pinus banksiana
What is the type of dormancy that Jack Pine cones undergo called?
Serotinous, needs high heat to open
What soil conditions do Jack pines prefer?
dry, sandy, coarse, well drained, do not tolerate moisture well.
2 ways to recognize a jack pine
- shorter than most, 2-fascicled needles
- small, curved cones
What is the binomial name of Dwarf Mugo Pine?
Pinus mugo var. pumilio
How to recognize a dwarf mugo pine?
Dense growth habit
emerald green 2-fascicled needles
main stems grow horizontal, secondary branches grow upright
Which pine has a pyramid shape when it’s young but opens up to have a flat top when it’s older?
Austrian Pine
What is the binomial name of Austrian Pine?
Pinus nigra
How to recognize Austrian pine?
long 10-15cm in length, thick comp. to other pines,
bases of leaves are persistent, the sheaths covering the needles stay on the plant which makes the branch rough to the touch
darker in colour
What is the binomial name of the pine used as telephone poles?
Pinus resinosa
What is a way to recognize red pine?
orangey reddish colour of bark, very straight upright trunk
How can you tell the needles of a red pine apart from a Scots pine?
red pine has snappier needles, scots pine have shorter bluish green, twisted needles
What’s the binomial name of the Scots pine?
Pinus sylvestris
What’s the binomial name of the Dwarf Twisted Scots Pine?
Pinus sylvestris ‘Globosa Viridis’
What kind of growth habit does Dwarf Twisted Scots Pine have?
round to pyramid, multistem
What is the binomial name of the sentinel pine?
Pinus sylvestris ‘Fastigiata’
