Week 9- Pine ID Flashcards
Leaves-
Fascicles of 5
3-5 in
Cones-
Narrow oblong, curved slightly
4-8 in
unarmed terminal umbo
Pinaceae
Pinus strobus
eastern white pine
Leaves-
Fascicles of 5
2-4 in
glaucous twig
Cones-
Cylindrical
10-26 in
unarmed terminal umbos
Pinaceae
Pinus lambertiana
sugar pine
Leaves-
Fascicles of 5
1.5-3 in
Cones-
3-10 in
unarmed terminal umbos
yellow/orange apophysis
Pinaceae
Pinus flexilis
limber pine
Leaves-
fascicles of 2
1-1.5 in
incurved
Cones- ovoid to globose open/airy 1-2.5 in unarmed dorsal umbo
Pinaceae
Pinus edulis
pinyon
Leaves- fascicles of 5 1-1.5 in white resin flecks brush like
Cones- ovoid to oblong 2-3 in dorsal umbo armed with long, fragile prickle scales often quite resinous
Pinaceae
Pinus aristata
Rocky Mountain bristlecone pine
Leaves-
fascicles of 2
4-6 in
break cleanly
Cones-
ovoid
1.5-2 in
unarmed dorsal umbos
Pinaceae
Pinus resinosa
red pine
Leaves-
fascicles of 2
0.75-1.5 in
divergent/often twisted
Cones- ovoid 1.5-2 in often incurved with asymmetrical base dorsal umbo with minute prickle or unarmed serotinous
Pinaceae
Pinus banksiana
jack pine
Leaves- fascicles of 2 1.5-3 in green-blue green slightly twisted
Cones- ovoid 1-2 in apophysis raised/pyramidal small scarcely armed dorsal umbo
Pinaceae
Pinus sylvestris
Scotch pine
Leaves-
fascicles of 2
4-6 in
do not break cleanly
Cones- broad ovoid 2-3 in apophysis light tan/dark brown inner scale dorsal umbo with minute prickle base often flattened
Pinaceae
Pinus nigra
Austrian pine