British Columbia Outdoor Wilderness Guide  |
BIGLEAF MAPLE
acer macrophyllum
- The
Bigleaf Maple is also known as Broadleaf Maple,
Oregon Maple
- The
Bigleaf Maple is well named as its leaves are enormous
with stems often as long as the leaf
UNIQUE
FEATURES:
- The
Bigleaf Maple is the largest and fastest growing
maple in Canada
- The
Bigleaf Maple has a narrow crown supported by a
branch-free stem for half its length when grown
in the forest
- When
grown in the open, a few large, spreading branches
support a broad crown
- Seeds
are food for small mammals and birds
- Twigs
of the Bigleaf Maple are food for elk and deer
- Often
draped in mosses
LOCATION:
- The
Bigleaf Maple is found in the southwest corner of
British Columbia
- Low
to mid elevations
- Coarse,
gravelly, moist soils such as found near river,
lake and stream edges
SIZE:
- The
Bigleaf Maple grows up to 36 metres
FLOWERS:
- Small,
greenish-yellow purple when young. The pollen cones
are yellow in colour
- About
3 mm across
- Hang
in clusters
FRUIT:
- Two
winged seeds that are joined as the base
- 3
to 6 cm, hairy
- Often
stay on the tree after leaves have fallen
LEAVES:
- Bigleaf
Maple leaves are thick, large (15 to 30 cm across),
five to seven lobes
- Shiny,
dark green on top, paler on the bottom
- Turn
yellow then brown in the fall
- Will
bleed a milky, sticky juice from the broken end
of a picked leaf
BARK:
- Greyish-brown
- As
the tree ages becomes shallowly grooved
WOOD
CHARACTERISTICS:
- Close
grain, moderate hardness
USES:
- Modern
- furniture, interior finishing, musical instruments,
flowers can be used in salads
- Traditional
- wood: dishes, pipes, clothing hooks, paddles;
inner bark: baskets, rope and whisks; young shoots:
eaten; sap: type of maple syrup
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