21
65
Leaves arranged in
bundles of 2, or
crowded on small
lateral branches
66
66
Leaves deciduous,
borne singly, crowded
on small lateral
branches
Larix decidua Mill.
66
Leaves evergreen,
arranged in bundles of
2
67
67
Shrub branching from
the base, without a
distinct main trunk,
rarely >5 m tall
Pinus mugo Turra
subsp. mugo var.
mugo
67
Trees with a distinct
main trunk, branching
well above ground
level
68
68
Leaves in average <6.5
cm long (measure at
least 10 leaves!).
Trunk reddish
Pinus sylvestris L.
68
Leaves in average >6.5
cm long. Trunk grey
Pinus nigra J.F.
Arnold subsp. nigra