tree recognition Flashcards
(36 cards)
Chameacyparis sp.
Cupressaceae
False Cypress
overlapping scale like needles,
yellowish green needles are flattened
native to west coast
Thuja plicata
Cupressaceae
Western Red Cedar
dark blue berry
short sharp leaves
Juniperous horazontalis
Cupressaceae
Creeping juniper
widest distribution of any tree or shub - large portion of north america
needles crowded on stem in whorls of three
Juniperus communis
Cupressaceae
Ground Juniper
5 needles per fascicle, soft bluish green with lines
cones cylindrical rounded at tip 8 - 20 cm
Eastern canada - great lakes region
Pinus strobus
Pinaceae
eastern white pine
round end needle - friendly fir - xmas tree
fascicles are not present - needles individual
scales fall of cone - entire cone does not fall
Abies balsamea
Pinaceae
Balsam fir
2 - 3 needles per fascicle
longest needle of any pine we study
armoured cone scales
Pinus Ponderosa
Pinaceae
ponderosa pine
ID by cone size and number of needles on fascicle
needles individual on long shoots
but 15-30 needles per fascicle on short shoots
cones 2 - 4 cm long
Larix sibirica
Pinaceae
Siberian larch
long shoots needles are single
short shoots 12 - 20 needles
small cones look like mini roses -brains?
bracts shorter than scales
Larix Laricina
Pinaceae
tamarack, larch
rhino horns coming off scale
younger bark orange red
2 needles per fascicle - needles twist
not native to Canada
Pinus sylvestris
Pinaceae
Scots pine
distinctive cone shaped like cashew
2 needles per fascicle
“Jack never grows back” - cones always face away from the trunk
Pinus banksiana
Pinaceae
jack pine
needles yellow green with white dots beneath
individual needles spirally arranged around twig
“friendly” soft needles 2 - 3 cm long
bract has 3 points - middle one looks like mouse tail
Pseudotsuga menziesii
Pinaceae
Douglas fir
needles 1 - 2 cm - base tapers to petiole
seed set in red fleshy cup
no fascicles - individual needles dark green
native to pacific coast
Taxus brevifolia
Taxaceae
western (Pacific) yew
Tsuga heterophylla
Pinaceae
western hemlock
seeds in cones berry like, fleshy, blue
mix of scale (young) and awl leaves (older and appressed to branch
Juniperus scopulorum
Cupressaceae
rocky mountain juniper
If we don’t know what this is, we’re fucked!
Ginkgo biloba
Ginkgoaceae
ginkgo, maidenhair tree
WTH? this isn’t even in our sheets?
Juniperus virginiana
Cupressaceae
eastern red ceder
simple leaves alternately arranged
doubly serrate margins
Betula papyrifera
Betulaceae
white birch, paper birch
petioles are flat/square
oval to kidney shape leaves
catkins
Populous tremuloides
Salicaceae
trembling aspen
leaves are variable but usually linear, long and thin
some have hairy leaves
can have yellow or red twigs
hard to pick species/cross breed lots
Salix spp.
Salicaceae
willow
fruit - 1 seeded or nutles
leaf serrations are best way to identify - teeth are equal
these leaves are adorable
leaves alternately arranged - very round
cr6 to 10 teeth on each side - crenate
broad winged nutlet
Betula pumila
Betulaceae
bog birch
distinctive nuts
simple leaves alternately arranged
doubly serrate margins
Corylus cornuta
Betulaceae
beaked hazelnut
oaks have lobed leaves - 7 - 9 lobes
each lobe tapers from base to tip
bristles at tip of leaf - reddish brown buts
acorn in a saucer shaped cup (like a beret)
only covers top portion of acorn
Quercus rubra
Fagaceae
Red oak