The leaves are opposite,
5-15 cm long and almost as broad, with 5-7 lobes each with 2-3 long,
narrow teeth. They are bright, shining-green on both surfaces and hairless
except in the angles of the veins below,
and have leaf-stalks, often reddish, 5-20 cm long.
Norway Maple is
a large, deciduous
tree up to 30 m, more slender than Sycamore, with a straight trunk
and grey bark with many small fissures. An introduction grown mainly
for ornament, especially for its autumn colours, but widely naturalised.
of 5-petalled flowers appear before the leaves in April and May -
3 weeks before Sycamore.
The clusters may
include 3 kinds of flowers: hermaphrodite with fertile
male and female parts; fertile
males with poorly developed stigmas;
and fertile females with poorly
The two winged
fruits or 'samaras', each 3.5-5 cm long, make an obtuse angle where
timber is very hard and is used for joinery, furniture-making and
are a useful source of food for early-flying bees.
Native in most
of Europe except the extreme north and west: introduced into Britain
in the 17th century.