1.
Crown-‐
The
upper
mass
or
head
of
a
tree,
shrub,
or
vine,
including
branches
with
foliage.
Canopy-‐
1. The
foliar
cover
in
a
forest
stand
consis:ng
of
one
or
several
layers.
2. The
overhead
branches
and
leaves
of
vegeta:on.
3. Tree
crown
greater
than
50
feet
in
height
at
maturity.
Understory-‐
1. All
forest
vegeta:on
growing
under
an
overstory.
2. Tree
crown
greater
than
20
feet
but
less
than
50
feet
in
height
at
maturity.
Overrstory-‐
1. The
por:on
of
the
trees
,
in
a
forest
of
more
than
one
story,
forming
the
upper
or
uppermost
canopy
layer
2.
dioecious-‐
male
and
female
flower
on
separate
trees
monoecious-‐
male
and
female
flowers
on
same
tree
15. How
to
tell
the
difference?
Single
fruit
=
Platanus
occidentalis
(American
Sycamore)
2
or
3
fruits
on
one
stem
=
Platanus
x.
acerifolia
(London
Plantree)
16. How
to
tell
the
difference?
White
inner
bark=
Platanus
occidentalis
(American
Sycamore)
Greenish
inner
bark=
Platanus
x.
acerifolia
(London
Plantree)